RUSSIA: Coin set of 5 coins in silver (0,900) commemorating the Russia XXII Summer Olympics Moscow 1980, composed of 2x 5 Rubles (1978), 10 Rubles (1978) & 2x 10 Rubles (1979). Accompanied by their CoA with no "B 78370". (Y# 156+157+161+168+169). Proof.