18¢ Wildlife Habitats - Pack of 25 unused stamps from 1981
15¢ Endangered Flora - Pack of 25 unused stamps from 1979
15¢ Endangered Flora - 25 unused stamps from 1979
5¢ Christmas Holly - Pack of 25 unused stamps from 1964
Forever Stamps - Bonsai Trees - Pack of 25 unused stamps from 2012
33¢ Apples - Pack of 25 unused stamps from 2013
20¢ Audubon Columbia Jay - Pack of 25 unused stamps from 1967
4¢ World Forestry Congress - Pack of 25 unused stamps from 1960
5¢ J.J. Audubon Columbia Jay - Pack of 25 unused stamps from 1963
6¢ Beautification of America - Pack of 25 unused stamps from 1969
