https://www.ebay.com/itm/Vintage-Queen-Elizabeth-The-Second-Republique-Francaise-1808-Coin-Charm-BELT-/382317971630
on en trouve pas mal de ces jetons, indiqués comme "charm token"
https://www.coincommunity.com/forum/topic.asp?TOPIC_ID=57935
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Zappa's not dead, he just smells funny.