For a time during the Great Depression, clamshells were golden in Pismo Beach, California.
The US Mint has brought back clamshell cases for the 2024 proof eagles : r/coins
240 card In line Small Coin Book Commemorative Coins Copper - Temu
B.C.'s Quest for Tires (Video Game) - TV Tropes
Antique Clam Shell Yua Currency on Stand, 2032
1971 Canada British Columbia Silver Dollar Coin original clamshell case
Pluralistic: 10 Jul 2020 – Pluralistic: Daily links from Cory Doctorow
Single Yua Wenga Clamshell Currency from Papua New Guinea on Custom Black Stand For Sale at 1stDibs
Fine early Large Barava Clamshell Currency Ring, New Georgia, Solomon Islands. Carved tridacna clam
Topic People & Society
Newman Numismatic Portal at Washington University in St. Louis
Shell Currency Yua Bride's Price, Papua New Guinea For Sale at 1stDibs