An iridescent ammonite fossil, likely from the

Updated August 26, 2026

Lot number81
AuctionLarge Antiques & Collectibles Auction
DateSeptember 8, 2026 at 6:00 PM CDT
Auction houseHanlin Auction Service
LocationQUINCY, Illinois

Cretaceous period and sourced from Madagascar. The shell features natural nacre, or mother-of-pearl, which creates the rainbow-colored shimmer when polished.

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