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Evidence before accusation
These guides help buyers and sellers identify questions that deserve more evidence. Remote screening cannot guarantee authenticity, quantify every restoration, establish lawful title, or prove fraud by itself.
Reverse-search images, request current views with scale, compare defects, and treat image analysis as screening rather than proof.
Look for mismatched anatomy, matrix, preparation, joins, adhesives, and unexplained reconstruction. Seek physical review when stakes justify it.
Request a restoration map, preparation history, visible-light detail, and additional imaging appropriate to the material.
Verify the issuer and underlying evidence. Letterhead, seals, signatures, and marketplace badges do not establish origin or title.
Ask which visible features support the identification and whether a broader label would be more defensible.
Test old-collection and vague-locality narratives against dated transfer, collection, export, and import records.
Treat suspicious bidding patterns as a signal for platform review, not public proof about a named bidder.
Preserve messages and understand which payment, inspection, and dispute protections disappear before moving a transaction.