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Photography tricks, lighting, paint concealment, and composite camouflage. How sellers hide damage — and how you spot it.
Active concealment: When a seller deliberately hides damage through photography or physical manipulation, it crosses from poor disclosure into fraud.
Only photographs the 'good side.' Cracks on reverse, fills on underside never shown. Listings should show front, back, top, and bottom.
Blurry or compressed photos hide fine cracks and fill boundaries. Resolution under 1024px makes inspection impossible.
Harsh direct light flattens surface detail. Overhead lighting washes out glue lines. Compare consistency across all photos.
Paint or stain matching surrounding matrix hides repairs. Acetone reveals painted areas. Uniform color is suspicious.
Excess matrix (rock) around fossil hides cracks, repairs, and composite joins. 'Matrix cover' is common concealment.
Wet fossils look darker and more detailed. Cracks temporarily disappear as water fills them. Photos should show specimen dry.
Ruler placed farther back makes fossil look larger. Oversized coin makes damage look smaller. Consistent scale at same plane is essential.
Cracks filled with matching material then polished smooth. UV light reveals fill. Magnification shows tool marks and color boundaries.
Join lines carved and textured to match surface. UV shows glue. CT/3D scan reveals density differences between components.
— Multiple angles required: Listings must show front, back, top, bottom, and repair close-ups.
— Resolution minimum: Photos under 1024px trigger review. Low-res-only listings are flagged.
— UV/acetone checks: Expert pre-listing reviews include UV and acetone verification where applicable.
— Photo forensics: 12-point inspection checks lighting consistency, metadata, and scale accuracy.
— Buyer inspection window: 3-7 days after delivery. Hidden damage = dispute resolution.