For the history buff in your life comes these unique and iconic cuff links from UPM United Precious Metals. These cuff links are made from Genuine Buffalo Nickels. Designed by noted engraver Earl Fraser and minted between 1913 and 1938. One displays the composite American Indian obverse; the other, the famed buffalo reverse modeled after Bronx Zoo denizen Black Diamond. A gleaming silvertone finish makes every detail stand out. Certificate of authenticity included.