18¢ James Wharton (UPENN - The Wharton School) - 25 unused stamps from 1981
10¢ Zip Code - Pack of 25 unused stamps from 1974
8¢ Family Planning - Pack of 25 unused stamps from 1972
20¢ Soil and Water Conservation - Pack of 25 unused stamps from 1984
13¢ Telephone Centennial - Pack of 25 unused stamps from 1976
20¢ Hot Air Balloon - Pack of 25 unused stamps from 1983
20¢ Knoxville World’s Fair - Pack of 25 unused stamps from 1982
37¢ Constellations - Pack of 25 unused stamps from 2005
20¢ Science and Industry - Pack of 25 unused stamps from 1983
15¢ Orange Eagle - Pack of 25 Stamps from 1978
8¢ Pharmacy - Pack of 25 unused stamps from 1972
8¢ Emily Dickinson - Pack of 25 unused stamps from 1971
34¢ Amish Quilt - Pack of 25 unused stamps from 2001
13¢ Energy Conservation - Pack of 25 unused stamps from 1977
5¢ Circus Clown - Pack of 25 unused stamps from 1966
