Skip to main content

VENTURE · PROVENANCE + ACQUISITION INTELLIGENCE

The Provenance Engine

The object may be beautiful. The story around it may be wrong.

Secondary markets run on incomplete photographs, uncertain signatures, inherited stories, copied attributions, uneven cataloguing, and prices that often reflect confidence more than proof. The Provenance Engine turns that uncertainty into a decision: what is this most likely to be, what could make that conclusion wrong, what is it worth under different assumptions, and what is the maximum rational price?

It is built for art, antiques, furniture, design, jewelry, collectibles, and other objects where identity, provenance, condition, market evidence, transaction cost, and personal value all matter at once.

Evidence state: extensively operator-tested; four public acquisition cases and one collection dossier now show the method across jewelry and furniture. Independent use, genuinely prospective frozen-price decisions, receipt calibration, and economic outcomes remain open gates.

UNDER THE HOOD

Observation separated from attribution · competing identifications · chronology + provenance checks · realized comparables · condition + transaction friction · four different price ceilings · behavioral vetoes · outcome memory.

The system combines object research, evidence reasoning, market economics, behavioral controls, and decision theory so “interesting” becomes a bounded action rather than an expensive guess.

THE PRODUCT THESIS

Objects do not arrive with clean data.

Secondary markets run on incomplete photographs, uneven cataloguing, inherited stories, old labels, confident signatures, uncertain condition, copied attributions, retail anchors, hurried sellers, and buyers operating under time pressure. That disorder creates opportunity. It also creates expensive mistakes.

The Provenance Engine treats an object as an evidence problem before it treats it as a purchase. It asks what is actually observable, which identification best survives contradiction, what remains unknown, what comparable objects have genuinely sold for, what ownership will cost in full, and whether the resulting economics justify action.

The point is not to make a more attractive guess. It is to make a better decision under imperfect information.

SEE

Start with what is there.

Form, materials, construction, marks, wear, damage, dimensions, labels, photographic limits, and seller claims remain separate from the conclusions they may support.

TEST

Make the story earn belief.

Competing identifications, contradictory evidence, chronology, provenance, construction, source independence, authenticity limits, and specialist escalation are part of the analysis—not caveats added afterward.

DECIDE

Turn evidence into a ceiling.

Current realized comparables, condition, liquidity, premium, tax, transport, restoration, labor, resale friction, personal utility, and uncertainty converge into a maximum price and a next action.

FROM IMAGE TO ACTION

One closed loop. Five moves.

01 · SEE

Observe before naming.

Begin with a neutral visual inventory. Extract visible text exactly. Record what the photograph can establish—and what it cannot.

02 · TEST

Try to make the first answer fail.

Search marks independently from seller language. Generate the strongest alternative identification. Look for copied-source consensus, chronological conflict, material inconsistency, restoration, title risk, and the missing evidence that could change the conclusion.

03 · VALUE

Build the market from sales, not wishes.

Use independent realized comparables as the primary evidence. Score their relevance. Normalize differences that matter. Separate base value, downside, liquidation, and conditional upside instead of hiding uncertainty inside false precision.

04 · DECIDE

Set the ceiling before the room sets it for you.

Calculate all-in cost. Keep market recovery, resale economics, personal utility, and the chosen offer separate. Apply authenticity, title, condition, hazard, affordability, portfolio, and behavioral vetoes.

05 · LEARN

Make the next decision better.

Preserve the thesis, evidence, comparable set, ceiling, action, and eventual outcome. Compare prediction with reality. Update seller priors, comp reliability, category rules, confidence, and error patterns only when outcomes justify it.

Stop when more information cannot change the action.

THE PRODUCT OUTPUT

The research ends in a decision.

A useful object-intelligence system should not leave the buyer with twelve tabs and a paragraph of possibilities. It should make the decision state explicit.

RECOMMENDATION

GO · REVISE ONCE · GATHER EVIDENCE · PARK · KILL

A finite terminal state prevents analysis from becoming an excuse for indecision.

MAXIMUM PRICE

Chosen ceiling + expected all-in cost

Premium, tax, freight, restoration, framing, labor, holding cost, uncertainty, and exit friction are part of the acquisition—not details discovered afterward.

CONFIDENCE + CONTRADICTION

Why this conclusion—and what could make it wrong

INSPECT BEFORE PAYING

The physical evidence that still matters

Underside, back, labels, joinery, damage, dimensions, completeness, stability, odor, surface, transport path, or specialist testing—only the checks capable of changing the decision.

PRIMARY DOWNSIDE

The failure mode that actually threatens the economics

EXIT

Resale route + probable net + reopening condition


Four prices, because one number is not enough.

The system keeps market-recoverable ceiling, resale ceiling, personal-consumption ceiling, and the chosen offer ceiling separate. The same object can be a rational personal acquisition, a poor flip, and an irrational auction bid at three different prices. Collapsing those questions into a single “value” is how buyers overpay with mathematical confidence.

WHY IT IS DIFFERENT

The missing layer between recognition and action.

VISUAL SEARCH

What does this resemble?

Useful for finding candidates. Insufficient for attribution, condition, source independence, liquidity, transaction cost, or a rational bid.

PRICE DATABASE

What have related objects sold for?

Essential market evidence. Still dependent on correct identity, comp relevance, condition, venue, transaction status, and the difference between gross price and recoverable net.

FORMAL APPRAISAL

What is the value for a defined professional assignment?

Necessary for tax, insurance, litigation, estates, donation, equitable distribution, and other contexts requiring inspection, standards, credentials, or formal documentation.

THE PROVENANCE ENGINE

What should I do, at what price, and why?

Research-based identification and acquisition guidance that integrates evidence, current market, downside, all-in economics, personal objective, behavioral controls, and exit route into one bounded decision.

It is deliberately skeptical of the signals that most easily contaminate secondary-market judgment: age, rarity, signatures, affluent addresses, prestigious venues, seller narratives, bidding competition, high asking prices, and repeated online attributions that trace back to one source.

THE LEARNING LOOP

The long-term advantage is not another opinion. It is memory.

Every consequential decision can become structured evidence for the next one. The product direction is to preserve not only what was purchased, but what was believed before purchase—and whether reality agreed.

OBJECT MEMORY

Leading and alternative identification, evidence, contradictions, condition, title posture, value states, four ceilings, final action, and eventual outcome.

SELLER MEMORY

Sale-company photography, descriptions, pricing, presales, discounts, fees, ethics, category strengths, prediction quality, and observed results.

MARKET MEMORY

Comparable provenance, independence, transaction status, relevance, adjustments, venue, observed price, and later reliability.

CALIBRATION

Predicted versus actual identification, restoration cost, all-in cost, sale probability, time to sale, gross and net proceeds, personal satisfaction, and the rule that should change if the prediction failed.

A system becomes defensible when it can remember not only what happened, but how wrong it was before it happened.

CASE 001 · LEO CORIZ NECKLACE · AUGUST 2026

A real acquisition record—with the missing field left missing.

This is the first public reconstruction of a Provenance Engine acquisition decision. It preserves what the retained record can establish, separates seller attribution from authentication, uses maker-specific sales as heterogeneous market references, records the actual acquisition at $431, and leaves post-acquisition calibration open.

eBay listing screenshot for a 23-inch sterling silver and turquoise necklace attributed by the seller to Leo Coriz.
Source evidence · Seller listing for the 23-inch sterling silver and turquoise necklace attributed to Leo Coriz. Seller attribution is evidence, not independent authentication.
Close-up crop of a stamped maker mark on the necklace; the lettering is blurred and retained as supporting evidence rather than independent authentication.
Supporting evidence · Cropped retained close-up of the maker mark. The image is consistent with the seller attribution but is not treated as independent authentication.

1 · Source evidence

The retained seller listing describes a signed 23-inch Native American sterling-silver and turquoise necklace attributed to Leo Coriz, offered by Hidden Treasures of Zionsville. The listing photograph establishes the object presented for sale; a separate retained close-up shows a stamped mark. Neither artifact, by itself or together, constitutes independent authentication.

2 · Attribution and alternatives

Leading explanation: a signed Leo Coriz / Kewa-associated sterling-and-turquoise necklace consistent with the seller attribution and retained mark evidence.

  • Alternative 1 · attribution error. The seller identification or interpretation of the mark could be wrong.
  • Alternative 2 · later assembly or alteration. Signed elements could have been restrung, recombined, repaired, or modified after original manufacture.
  • Alternative 3 · material uncertainty. The turquoise source, treatment, age, and relationship among individual components were not independently established from the retained pre-acquisition record.

3 · Maker-specific market references

Three public realized-sale records provide useful maker-specific context, but they are deliberately treated as heterogeneous references rather than mechanically interchangeable comparables:

  • $655 · Leo Coriz / Kewa sterling-silver turquoise concho necklace, 24 inches, 80 grams; eBay records the listing as sold.
  • $676.50 including buyer’s premium · Leo Coriz tufa-cast silver and turquoise pendant necklace, circa 1960, 66 grams; Santa Fe Art Auction.
  • $170 plus buyer’s premium · signed Leo Coriz tufa-cast sterling-silver turquoise cross necklace, 22 inches, 83 grams; 2019 auction result.

The dispersion is analytically useful. Form, period, construction, stone, condition, attribution quality, venue, buyer demand, and transaction structure can move realized price materially even within one maker’s market.

WORKING VALUE RANGE

$500–650

Contemporaneous operator fair-market working range. This was a decision input, not a certified appraisal.

SPECIALIST-RETAIL WORKING RANGE

$700–900

Contemporaneous operator retail-context range, likewise not an appraisal or guaranteed resale outcome.

FROZEN MAXIMUM

Not recoverable

The retained record does not preserve an exact prospectively frozen maximum. It is intentionally not reconstructed after seeing the outcome.

OBSERVED TRANSACTION

Acquired · $431

The transaction is an observed outcome. The acquisition price does not by itself prove attribution, value accuracy, or model calibration.

4 · Decision and observed outcome

The object was acquired for $431. That price sat below the contemporaneous operator working fair-market range. The useful fact is the action itself: evidence was assembled, uncertainty remained explicit, a purchase occurred, and the transaction can now be carried forward into physical and economic calibration.

5 · Open calibration

Case 001 is not closed as a performance claim. Formal post-acquisition documentation of physical condition, independent authentication if pursued, later resale value, realized proceeds, holding period, and transaction friction remains open. Buying an object below a working range is not enough to declare the model correct.

What the case revealed about the system. The retained evidence was sufficient to reconstruct the object, attribution posture, alternatives, market context, working value ranges, and transaction. It was not sufficient to recover a prospectively frozen exact maximum. That remains a documented process defect: the next genuinely prospective case must freeze its ceiling before the outcome is known.

CASE 002 · RAYNARD J. “TAA’ITSOHII” SCOTT CUFF · AUGUST 2026

A strong maker-mark record, with market context—not a direct comp set.

Acquired on eBay for $202.50 after 31 bids. The seller attributed the cuff to Raynard Scott; the interior photograph materially strengthens that attribution because the object itself is engraved R.J. Scott and Taa’itsohii. The physical inscription is stronger evidence than listing language, but it is not represented here as independent authentication.

Front view of a signed silver-colored Raynard J. Scott cuff bracelet with raised zigzag geometry and stepped motifs.
Object evidence · Raised zigzag and stepped architectural motifs on the acquired cuff.
Interior view of the cuff showing the engraved R.J. Scott and Taa'itsohii signature.
Maker-mark evidence · Interior R.J. Scott / Taa’itsohii inscription.

What the record supports

The photographs establish a substantial silver-colored cuff, its decorative construction, and the interior inscription. The seller described the object as sterling silver and Navajo; those remain seller claims unless separately established by physical testing, documentary evidence, or qualified specialist review.

What the market references support

A simpler signed R.J. Scott cuff was recorded as a sold Best Offer listing with $299.99 displayed, although the accepted amount is undisclosed. A materially more elaborate turquoise-overlay Scott cuff realized $1,200 at Ripley Auctions in 2024. They establish maker-market context, not interchangeable valuation comparables.

TRANSACTION

$202.50

Observed acquisition after 31 bids.

INTERPRETATION

Appears favorable

Relative to current maker-market references; not a formal valuation conclusion.

PROSPECTIVE CEILING

Not preserved

Retrospective case; it does not cure the Case 001 documentation defect.

Claim boundary. The acquisition appears favorable relative to current maker-market references, and the physical inscription materially supports the seller attribution. Case 002 does not establish independent authentication, certified appraisal value, or prospective model calibration.

CASE 003 · SIGNED NG TWO-STONE TURQUOISE RING · AUGUST 2026

The purchase still works after the strongest seller claims are removed.

Acquired for $78.01 after 29 bids. The seller’s human-written listing states size 6.5, 14.65 grams, more than 1¾ inches in length, and “Signed NG.” The reverse photograph establishes an NG mark. A partial “Sterl…” stamp is visible and is consistent with a sterling mark; no assay or independent material test is represented here.

Front view of a large two-stone turquoise-set silver-colored ring with an elongated vertical composition and multi-wire shank.
Object evidence · Two-stone composition and multi-wire shank.
Reverse view of the two-stone ring showing an NG maker mark and a partial mark consistent with sterling.
Reverse evidence · NG mark and partial “Sterl…” stamp.

OBSERVED

NG mark · partial “Sterl…” stamp · two-stone construction · multi-wire shank.

SELLER-MEASURED

Size 6.5 · 14.65 g · >1¾ in. Useful listing data, not independently re-measured here.

UNRESOLVED SELLER CLAIMS

“Old pawn” · Royston · Navajo · natural turquoise. None is promoted into settled fact.

The seller explicitly labels the polished first paragraph of the listing “AI Description above.” That generated copy is excluded from the evidentiary corpus rather than allowed to manufacture corroboration by repetition.

Maker identity remains unresolved.

Published hallmark references do not justify converting NG into a settled artist identity. Art-Amerindien and T.Skies document overlapping Garcia-mark evidence. The controlled catalogue state therefore remains signed NG pending stronger mark-form, provenance, or specialist evidence.

TRANSACTION

$78.01

Observed acquisition after 29 bids.

CATALOGUE STATE

Signed NG · two-stone turquoise-set ring

Partial mark consistent with sterling; maker, mine source, and cultural attribution unresolved.

PROSPECTIVE CEILING

Not preserved

Retrospective reconstruction, not a prospective calibration case.

What this case tests. The decision remains economically intelligible after “old pawn,” Royston, Navajo, natural-turquoise, and named-maker claims are withheld. That is evidence-state discipline—not authentication.

CASE 004 · HARVEY SKEET (DINÉ) MULTI-STONE NAJA NECKLACE · AUGUST 2026

A $3,250 price card met a $400 transaction.

The supplied reference card presents a multi-stone cluster naja necklace as the work of Harvey Skeet (Diné), describes sterling silver, turquoise, Spiny Oyster shell, and sugilite, states that the reverse bears an H SKEET hallmark, and displays a price of $3,250. The observed acquisition was $400. The useful evidence is not that the card proves a $3,250 value. It is that polished presentation can create a powerful price anchor, while the decision system still has to keep source claims, identity, market value, and transaction price separate.

Exact supplied reference card for a Harvey Skeet (Diné) multi-stone cluster naja necklace showing the necklace, hallmark detail, materials description, and a displayed price of $3,250.
Source evidence · Exact supplied reference card. Artist, materials, hallmark interpretation, and the $3,250 displayed price remain source claims rather than independent authentication or appraisal evidence.

SOURCE-CARD ANCHOR

$3,250

Displayed on the supplied reference card. Preserved as source evidence, not adopted as independently established fair market value.

OBSERVED TRANSACTION

Acquired · $400

Observed purchase price supplied by the owner. The transaction is fact; the source-card valuation proposition remains a separate question.

GAP TO DISPLAYED ANCHOR

$2,850

A large spread worth investigating, not a profit claim. The anchor must survive maker, material, condition, comparable-sale, liquidity, and resale-friction checks before it can inform recoverable value.

What the retained card supports

The card depicts an elaborate multi-stone naja necklace and explicitly supplies the Harvey Skeet / Diné attribution, material description, hallmark interpretation, New Mexico origin, and $3,250 price. Those statements are useful source claims because they define exactly what proposition is being offered to the buyer.

What it does not establish

The card is not independent authentication, assay evidence, gemstone identification, provenance documentation, a certified appraisal, or a realized comparable sale. A persuasive catalogue object can still contain an attribution error, material error, condition omission, or optimistic price premise.

The next evidence that matters

  • Preserve clear photographs of the reverse, hallmark, clasp, construction, stones, and any repairs or alterations.
  • Test the H SKEET attribution against independent hallmark and maker references rather than repeating the source card.
  • Confirm silver and stone descriptions physically or through qualified specialist review if those facts matter to the decision.
  • Build a realized-sale set for genuinely comparable Harvey Skeet necklaces, controlling for scale, stone mix, condition, period, and venue.
  • Track later resale economics only if a sale occurs; the purchase price alone does not establish model performance.

What this case tests. A price anchor is evidence about the seller’s proposition, not evidence of value. Case 004 tests whether the system can remain economically interested in a large spread without laundering a polished source card into authentication, appraisal, or profit.

Cover preview for Two Curves in American Design, an owner's collection dossier pairing a Milo Baughman for Thayer Coggin Sit Tight sectional with a circa-1980s Weiman curved sectional.

COLLECTION DOSSIER 01 · TWO CURVES IN AMERICAN DESIGN

Post-acquisition evidence deserves its own record.

The paired furniture dossier extends the Provenance Engine beyond the purchase decision. It records what the objects are believed to be, what evidence is still missing, what should be preserved, and how working market judgments can remain useful without becoming appraisal claims.

Baughman / Thayer Coggin: a strong working Sit Tight identification with physical authentication evidence still to preserve. Weiman, circa 1980s: a controlled attribution that keeps Kagan’s documented curvilinear design history as context rather than silently converting dealer-market association into authorship.

ACQUISITION BASIS

$2,250

OWNER’S WORKING FRAME

$7,500–$11,500

BOUNDARY

Not an appraisal

Claim boundary. Working identifications and market ranges support collection management. They are not certified authentication, a formal appraisal, an insurance valuation, or realized resale evidence.

PRODUCT STATUS · NEXT EVIDENCE GATES

The public evidence has broadened. The next gains must be prospective and independent.

Four public acquisition cases now show the method under repeated operator use, and the furniture dossier shows what disciplined collection management can look like after purchase. None of that establishes prospective performance. Cases 002, 003, and 004 are retrospective reconstructions rather than prospectively frozen decisions; Case 001 preserves the original missing-ceiling defect rather than repairing it after the fact.

01 · PROSPECTIVE DECISION

Freeze the judgment before the outcome.

Preserve source evidence, alternatives, confidence, comparable set, exact maximum price, action, and reopening condition before the auction or purchase resolves.

02 · INDEPENDENT USE

Put the method in someone else’s hands.

Test a real acquisition decision with a user other than the operator. Measure whether the system improves decision quality, evidence discipline, usability, and confidence calibration rather than merely producing an impressive report.

03 · RECEIPT + ECONOMICS

Compare prediction with what became true.

Record physical condition, marks, material findings, alterations, repairs, and specialist evidence after receipt; then track all-in cost, restoration, holding period, transaction friction, and later realized economics where relevant.

Claim boundary. The public record demonstrates an inspectable acquisition and collection-management method under repeated operator use. It does not establish certified authentication, appraisal accuracy, repeatable financial returns, or independent product performance.


The Provenance Engine is research-based identification and acquisition guidance. When authenticity, material composition, conservation, legal title, cultural property, regulated materials, gemstones, tax, insurance, litigation, estates, or other formal assignments require qualified physical inspection or professional standards, the correct system output is escalate.

The intelligence layer between seeing an object and deciding what to do about it.