These are highest quality made. They were minted from the original dies that were polished to the extremely rare proof finish. 999 pure silver, NOT SILVER PLATING! These rounds were minted in the USA, not imported from China! There’s only a limited supply at this wholesale price. Order now before the price goes up. The item “Proof Bitcoin 1 oz Silver Round. 999 Fine at DEALER PRICING! (20-coin roll)” is in sale since Thursday, March 15, 2018. This item is in the category “Coins & Paper Money\Bullion\Silver\Bars & Rounds”. The seller is “creditgoldandsilver” and is located in Anaheim, California. This item can be shipped to United States.