Watch List notes:

Russia USSR 1 Rouble 1981 20th Anniversary of Yuri Gagarin's Spaceflight. Averse: The arms of the Soviet Union dividing the country name with the value below. Reverse: Yuri Gagarin; the first human being to enter outer space; with two launching rockets and hammer and sickle. Edge Plain with incuse lettering. Copper-Nickel. Y 188. PCGS MS64