MASSIVE GIANT CLAM SHELL, TRIDACNA, 21 INCH NATURAL SPECIMENCornell Auctions, Objects & Trade4.6(376)$450(1 bid)Aug 29, 2026
Giant Clam Shell Half, H.- 7 in., W.- 21 3/4 in., D.- 13 1/2 in.Crescent City Auction Gallery4.3(251)$400Sep 11, 2026
Authentic Giant Clam Shell 19" Tridacna Gigas SpecHill Auction Gallery 4.7(1.1k)$250(5 bids)Aug 26, 2026
