The Frontier Mint 10oz AVDP .999 Fine Copper Bar is a valuable investment piece made in the United States. This bar, sealed with a Certificate of Authenticity and serial number, contains 10 ounces of .999 fine copper. Produced by Frontier Mint, this bar is a reliable and high-quality addition to any precious metal collection. With a sleek and classic bar shape, this product is both visually appealing and a secure way to invest in copper bullion. Serial numbers will vary.