The Mason Mint Buffalo 1oz Silver Round depicts an American buffalo that is a visual representation of the bison named Black Diamond who, in the early 1900s, lived in New York City's Central Park Zoo. Details of the rounds weight and fineness also appear. The obverse of the round features a head of a Native American with the text 'LIBERTY' on the left-hand side. Please note: the silver round supplied will be selected from one of two available designs. Weighs 1 Troy Ounce and is struck in 999.0 Silver. Minted by the Mason Mint. Struck to a bullion finish. Diameter: 39.00mm. Thickness: 2.70mm.