1965 India
1973 India
1974 India
1968 India
1970 India
1972 India
1966 India
1963 Sierra Leone
1972-73 India
2007 St. Kitts
1989 Chile
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.