The 1917-1967 USSR 50 Years of Great October Socialist Revolution Jubilee Coin Set is a commemorative collection of uncirculated coins from the Russian Federation. These coins celebrate the historical period of the USSR (1917-91) and specifically mark the 50th anniversary of the Great October Socialist Revolution in 1967. Each coin is unc Certified, adding to the authenticity and rarity of this unique set for collectors interested in Russian and Soviet history.