The American Institute Medals, including the Harkness Medal of 1877, are collectible coins awarded to individuals for significant achievements in various fields such as science, art, and education. These medals often feature intricate designs and inscriptions that reflect the purpose of the award and the year of minting. As part of the broader category of U.S. coins, American Institute Medals are of interest to numismatists due to their historical significance and artistic value. Collectors often seek these pieces for their rarity, craftsmanship, and connection to notable figures and accomplishments in American history.

Item Denomination Series Year Mint
(1877-1897) Hark-190 American Institute Bronze Ms Other / Varied American Institute Medals - Harkness 1877 Unknown