Bronze Thomson medal, 1914. With representation of John Millar Thomson 1849-1933. 76mm diameter. Engraved by AG Wyon. Chemistry Prize from King's College London 1871-1914. Obverse, left-facing representation, in profile, of John Thomson in academic robes and mortar board, signed A G Wyon Sc. Reverse, shield with two classical figures supporting, signed Allan G. Wyon. Sc .