1963 Russia
1973 Russia
1957 Russia
1964 Russia
1918 Russia
1986 Russia
1954 Russia
1968 Russia
1962 Russia
1946 Great Britain
Commemorative proof cards each feature a stamp from US #2991.
Fleetwood cover set celebrates 11th International Botanical Congress (1969).
Own the largest tax revenue stamp ever issued! Selections vary.