The first in a new Cryptocurrency collection is the 1 oz Copper Bitcoin . 999 Fine Bullion Round. … Product Rating. QuantityCheck or WireCard or PayPal20-99$2.59$2.69100-499$2.29$2.38500+$1.89$1.971 oz Bitcoin Copper Round – Golden State Mint www.goldenstatemint.com › 1-oz-Bitcoin-Copper-Bullion-Round