Note: coins sold various minting years.

The obverse depicts the Indians. It is believed that image prototype was chosen from three American Indian tribal representatives. Also on coin presented the year of issue and the word "Freedom".

In the center of reverse struck in the buffalo (called Buffalo), from which it takes the name of the coin. It is believed that this animal lived in the New York Zoo and had the Black Diamond name. Also, a nominal value of the coin ($ 50), weight (1 oz) and purity (999.9). It also struck in the inscriptions "United States of America", "In God We Trust" and "Strength in unity" (Latin E Pluribus Unum).