22¢ Horses - Pack of 25 unused stamps from 1985
15¢ Helen Keller & Anne Sullivan - Pack of 25 unused stamps from 1980
3¢ "The Doctor" - Pack of 25 unused stamps from 1947
3¢ Thomas Edison - Pack of 25 unused stamps from 1947
21¢ Berlin Airlift - Pack of 25 unused stamps from 1998
6¢ Botanical Congress - Pack of 25 unused stamps from 1969
15¢ American Trees - Pack of 25 unused stamps from 1978
34¢ Carnivorous Plants - Pack of 25 unused stamps from 2001
33¢ Tropical Flowers - Pack of 25 unused stamps from 1999
18¢ Wildlife Habitats - Pack of 25 unused stamps from 1981
