13¢ Energy Conservation - Pack of 25 unused stamps from 1977
5¢ Radio - Voice of America - Pack of 25 unused stamps from 1967
18¢ American Red Cross - Pack of 25 unused stamps from 1981
3¢ International Geophysical Year - Pack of 25 unused stamps from 1958
13¢ Pink & Gold Sound Recording - Pack of 25 unused stamps from 1977
29¢ Minerals - Pack of 25 unused stamps from 1992
5¢ Migratory Bird Treaty - Pack of 25 unused stamps from 1966
13¢ Clara Maass - Pack of 25 unused stams from 1976
10¢ Energy Conservation - Pack of 25 unused stamps from 1974
10¢ Minerals - Pack of 25 unused stamps from 1974
4¢ World Forestry Congress - Pack of 25 unused stamps from 1960
5¢ National Park Service - Pack of 25 unused stamps from 1966
6¢ Grand Canyon - John Wesley Powell - Pack of 25 unused stamps from 1969
20¢ Smokey the Bear - Pack of 25 unused stamps from 1984
