Twin City Gold is pleased to offer this .999 FINE COPPER Buffalo Indian Head Round Coin 1 Roll (20) Lot Investment Bullion This is the last run of these collectible copper rounds until next year! We ordered 100,000 units and this was the final available lot. Buy now or next year! If you are looking to invest in copper, this is a neat way to start! The coins are 1 oz of .999 fine copper.