Medal, bronze, by B. Wyon, 1821, of Charles Hutton, the reverse with symbols relating to Hutton's attempts to weigh the Earth. 44mm diameter. Obverse: bust relief profile to left; legend Carolus Hutton, LLD, RSS, Aet. LXXXV, at base 1821 B. Wyon sc, T. Wyon Der. Reverse, globe, telescope, scale and weight,legend Fulmina belli pondusq. terrae aestimata