Copper Bar – Element Design, 1 Ounce, .999 Pure Copper The Copper Element Bar is struck from .999 fine copper and weighs 1 avoirdupois ounce. Its design is styled after the periodic table of elements, featuring the copper symbol (Cu), atomic number (29), and atomic weight (63.546). Fast Shipping These copper bars are made in the USA and are a popular, affordable way to diversify into physical bullion. Bar Highlights Mint Facility: Made in USA Purity: .999 Fine Copper Bar Weight: 1 Avoirdupois Ounce Quality: Bullion Design: Periodic table element theme with Cu symbol