1977-80, Moscow Olympic Games, 5 roubles and 10 roubles, complete set of 28 silver proof coins (5r x14, 10r x14), total coins weight is about 22.5oz (0.900 silver), ASW 20.247oz, each coin is in plastic capsule, original box with COA (Est. $500-$600) (Image)

1977-80, Moscow Olympic Games, 100 roubles, complete set of six gold proof coins, weight 17.28g x6 (0.900 gold), AGW 3oz, each coin is in plastic capsule, original box with COA for the set is included (Est. $4,750-$5,250) (Image)

1977-80, Moscow Olympic Games, 150 roubles, complete set of five platinum proof coins, weight 15.54g x5 (0.999 platinum), AGW 2.5oz, each coin is in plastic capsule, original box with COA for each coin (Est. $4,000-$4,500) (Image)

1988, Millennium of Christianity, Russian Architecture and Literature, prestige set of four proof coins, including two silver of 3 roubles (1oz, 0.900 Ag), one palladium of 25r (1oz, 0.999 Pd) and one platinum of 150r (½ oz, 0.999Pt), each coin is in plastic capsule, housed in premium velvet box with COA (Est. $2,750-$3,250) (Image)

1991 (L), Russian Ballet, 10 roubles, ½ oz palladium coin in mint state quality, certified by NGC, MS69, mintage 15,000 (Est. $850-$950) (Image)