Elegant keychain for a coin with a diameter of 37-39 mm (without chain and coin)

Cents Rubles Kopecks Silver Poland Chervonets 1945 Commemorative Banknote Germany Nicholas Gold Portrait Badge Russia 1000 Stamps Medal Souvenir Catherine Peter Dollars Tank Remake Siberian Poltina 1918 Ussr Ruble Copper Alexander Republic 1919 Kopeks 1923 Bank Trial Coins Rare Francs Petersburg Dollar Bronze Banknotes Thaler Proof Coin Token Ticket 1922