13¢ Butterflies - Pack of 25 unused stamps from 1977
8¢ Wildlife Conservation - Pack of 25 unused stamps from 1972
25¢ Grand Canyon - Pack of 25 unused stamps from 1990
8¢ Progress in Electronics/Transistors - Pack of 25 unused stamps from 1973
8¢ Historic Preservation Stamps - Pack of 25 unused stamps from 1971
6¢ South Carolina - Pack of 25 unused stamps from 1970
22¢ Duck Decoys - Pack of 25 unused stamps from 1985
8¢ Emily Dickinson - Pack of 25 unused stamps from 1971
8¢ Copernicus - Pack of 25 unused stamps from 1973
15¢ Progress in Electronics - Pack of 25 unused stamps from 1973
20¢ Wolf Trap Farm Park - Pack of 25 unused stamps from 1991
20¢ Architecture - Pack of 25 unused stamps from 1982
