5¢ Radio - Voice of America - Pack of 25 unused stamps from 1967
3¢ International Geophysical Year - Pack of 25 unused stamps from 1958
6¢ Support Our Youth - Pack of 25 unused stamps from 1968
5¢ Migratory Bird Treaty - Pack of 25 unused stamps from 1966
32¢ Georgia O'Keeffe - Pack of 25 unused stamps from 1996
