1998 Gibraltar
1997 Guinea
1997 Angola
2011 Burundi
2002 Grenada
1971 Russia
2006 Gibraltar
1979 Russia
1986 Russia
1995 Guinea
1976 Russia
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.