This rare and unique coins from the Soviet Union (USSR) is a must-have for any serious collector. The 5 Roubles coin from 1978 features an impaired proof finish and is dedicated to the Moscow Olympics. This uncirculated coin is a testament to the rich historical period of the USSR (1917-91) and is a valuable addition to any collection. The coin is uncertified and was minted in the Russian Federation. Don't miss out on this opportunity to own a piece of history.