1876 Philadelphia Centennial Exposition Medallion. Black Terra Cotta. 67 mm. Mint State.strongObv:/strong Liberty Seated image as seen on the circulating U.S. Mint coins of the era, except that Liberty has, unfortunately, a very large head. strongRev:/strong Flag-festooned building with EXHIBITION above and 1876 / PHILADELPHIA below.From NASCAs Providence Collection sale, July 1981, lot 293. Lot tag included.