10 Troy Ounce Hand Cast 999. Flying in a Blue Dream II. The patina application used on this silver bar is created by a. The patina does not affect the 999 purities of our silver. Down to earth understated 999 pure silver bullion. No fancy machining, polishing or elaborate details. Our silver bullion bars hold the same value as any other silver bars on the market and will continue hold that value indefinitely. Made in the USA by Adamo Metals, a private R&D refinery and mint, this limited-edition bullion bar boasts a smooth matte finish and a unique hand-cast shape. Crafted using are our own advanced, environmentally responsible refining methods. A solid addition to any precious metal’s portfolio and fun to own. Support a dedicated small business while expanding your collection. Don’t miss out on this rare opportunity to own a limited-edition Adamo Art Bar.