1983 20¢ Ballooning - 4 Varieties, Attached Plate Block

United States #2048-51 13¢ Olympics - 4 Varieties, Attached Plate Block Varieties include: #2048 - Discus #2049 - High Jump #2050 - Archery #2051 - Boxing *Plate number and position may vary from...

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 #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 - 4 Varieties, Attached Plate Block Varieties include: #2019 - Fallingwater Mill Run #2020 - Illinois Institution of Technology #2021 - Gropius...

United States #1942-45 20¢ Desert Plants - 4 Varieties, Attached Plate Block Varieties include: #1942 - Barrel Cactus #1943 - Agave #1944 - Beavertail Cactus #1945 - Saguaro *Plate number and...

United States #2067-70 20¢ Winter Olympics - 4 Varieties, Attached Plate Block Varieties include: #2067 - Ice Dancing #2068 - Downhill Skiing #2069 - Cross Country Skiing #2070 - Hockey *Plate...

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 #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...