Postage stamps of USSR

Years
1925 x

Nominal
3 k 7 k 14 k 20 k 40 k 50 k 9 k 10 k 15 k 30 k 2 ₽ 8 k 1 k 2 k 5 k 1 ₽ 5 ₽ 10 ₽ 4 k 6 k 25 k 75 k 3 ₽