Russian medal commemorating the 50th anniversary of the Russian Academy of Sciences, 1776, in contemporary box. Obverse: Bust of Catherine II facing right. Legend: 'Б . M . EКАТЕРИНА . II . IМПЕРАТ . И САМОДЕР Ж . ВСЕРОССЇЙС’. [By the Grace of God, Catherine II, Empress and Autocrat of All Russia'. Signed on truncation: 'C. ЮДИНЪ' [S. Yudin]. Reverse: Three putti holding a telescope and using a globe and dividers offer flowers to a figure representing Fame, who garlands a pillar on a plinth inscribed with the Royal Monogram. Legend: 'ЕЮ ПРОЦВБТУТЪ НАСАЖДЕНІИ ПЕТРОВЫ’. [Peter's Initiatives will bloom]. Exergue: ‘ЮБИЛЕИ . І . АКАД . НАУKЪ . ТОРЖЕСТВОВАНЪ . 1776’. [Jubilee of Academy of Sciences Celebrated on 1776]. Maker's initials 'I.G.I.' above exergue to right [J.C.G. Jaeger].