Clamshell Currency

For a time during the Great Depression, clamshells were golden in Pismo Beach, California.

biddr - Heritage Auctions, Auction 3088, lot 35204. California - Pismo Beach. Leiter's Pharmacy Clamshell Money 50 Cents 10 March

Shell Currency Was Part Of An Ancient Economy In The Channel Islands - Natural Reserve System

Single Yua Wenga Clamshell Currency from Papua New Guinea on Custom Black Stand For Sale at 1stDibs

Shell money - Wikipedia

Single Yua Wenga Clamshell Currency from Papua New Guinea on Custom Black Stand For Sale at 1stDibs

Los Angeles Olympics 1984 USA Complete Coin Set Sealed in Hard Clamshell Case

Vintage Clam Shell Coin Purse with Red pebbled leather - Ruby Lane

Hemal's Currency Gallery - Rare Old Indian 5000 Rupees Note by Reserve Bank of India.

Shell Money (Bakhia) – All Artifacts – The John F. Kennedy Presidential Library & Museum

Pluralistic: 10 Jul 2020 – Pluralistic: Daily links from Cory Doctorow

Shell money - Wikipedia