1 oz copper bar $2 bill currency Thomas Jefferson banknote coin 1 oz .999 Pure Copper Medallion Comes in a 2" x 2" clear vinyl protective presentation sleeve Diameter = 39 mm (1.54 in.) ~ Slightly larger than a US Silver Dollar Thickness = 2.5 mm (0.098 in.) Gross Weight = 1 Avoirdupois ounce (28.35 grams) Many different styles available! These make great gifts for friends and family members!