(6) Cretaceous Period Cut and Polished Ammonite FossilsSarasota Estate Auction4.6(666)$30(1 bid)2 days Left
Rare Pyrite Ammonite Fossil. Pyrite ammonites formed through a rare fossilization process, known asHeartland Artifact Auctions4.7(911)$10(1 bid)Sep 6, 2026
