COCA-COLA BOTTLE CAP Shape Silver Coin Proof. The item "NGC PF70 2018 Fiji Coca-Cola Bottle Cap $1 6g Silver Proof Coin Coca Cola" is in sale since Sunday, April 01, 2018. This item is in the category "Coins & Paper Money\Coins\ World\Australia & Oceania\South Pacific". The seller is "dragonzeng168" and is located in . This item can be shipped worldwide.