This 1 oz Silver Round is a product of Asahi Refining with a fineness of 0.999. It comes in a lot roll tube of 20 pieces, each made of pure silver. The round has never been circulated, making it a valuable addition to any collection. This item is a Silver Round, manufactured in The United States of America by Asahi Refining. It is not certified but is made of authentic silver with a precious metal content of 1 oz. The round has a shape of a circle and is considered a bullion.