1982 20¢ American Architecture - 4 Varieties, Attached Plate Block

United States #2006-09 20¢ World's Fair - 4 Varities, Attached Plate Block Varieties include: #2006 - Solar Energy #2007 - Synthetic Fuels #2008 - Breeder Reactor #2009 - Fossil Fuels *Plate number...

United States #1928-31 18¢ American Architecture - 4 Varieties, Attached Plate Block Varieties include: #1928 - New York University Library #1929 - Biltmore House #1930 - Palace of the Arts #1931 -...

United States #2027-30 20¢ Winter Scenes of Christmas - 4 Varieties, Attached Plate Block Varieties include: #2027 - Sledding #2028 - Snowman #2029 - Skating #2030 - Decorating *Plate number and...

United States #1779-82 15¢ Architecture - 4 Varieties, Attached Plate Block Varieties: #1775 - Virginia Rotunda #1775 - Baltimore Cathedral #1775 - Boston State House #1775 - Philadelphia...

United States #2076-79 20¢ Orchids - 4 Varieties, Attached Plate Block Varieties include: #2076 - Wildpink (Arethusa bulbosa) #2077 - Yellow Lady's-Slipper (Cypripedium calceolus) #2078 -...

United States #2032-35 20¢ Ballooning- 4 Varieties, Attached Plate Block Varieties include: #2032 - Intrepid #2033 - Red, white, & blue balloon #2034 - Yellow, gold, & green balloon #2035 -...

United States #2082-85 20¢ Olympics - 4 Varieties, Attached Plate Block Varieties include: #2082 - Men's Diving #2083 - Long Jump #2084 - Wrestling #2085 - Women's Kayaking *Plate number and...

United States #2019-22 20¢ American Architecture Mint Se-tenant Block of 4

United States #2155-58 22¢ American Horses - 4 Varieties, Attached Plate Block Varieties include: #2155 - Quarter Horse #2156 - Morgan #2157 - Saddlebred #2158 - Appaloosa *Plate number and...