USSR 3 Roubles 1991 – 30th Anniversary of Yuri Gagarin's First Space Flight Country: Soviet Union (USSR- Soviet Russia) Year: 1991 Denomination: 3 Roubles Theme: 30th Anniversary of the First Manned Space Flight (Yuri Gagarin) Quality: Proof (PP) Composition: Silver .900 Weight: 34.56 g (31.1 g / 1 oz ASW) Diameter: 39 mm Mint: Leningrad Mint (ЛМД) Mintage: 35,000 pieces Description: Commemorative silver coin featuring Yuri Gagarin in a spacesuit on the reverse. Part of the iconic Soviet space exploration series. Sharp frosted relief on a deep mirror-like field. The coin will be shipped in an old used capsule.