1974 10¢ Mineral Heritage - 4 Varieties, Attached Plate Block

United States #1543-46 10¢ Continental Congress Plate Block Varieties: #1543 - Carpenter's Hall #1544 - Quote–First Continental Congress #1545 - Quote–Declaration of Independence #1546 -...

United States #1565-68 10¢ Military Uniforms - 4 Varieties, Attached Plate Block of 12 Varieties: #1565 - Continental Army #1566 - Continental Navy #1567 - Continental Marines #1568 - American...

United States #1572-75 10¢ Postal Service Bicentennial - 4 Varieties, Attached Plate Block of 12 Varieties: #1572 - Stagecoach & Trailer #1573 - Locomotives #1574 - Airplanes #1575 -...

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 #3945-48 - 37¢ Constellations - 4 Varieties, Attached Plate Block*Plate number and position may vary from image shown.

United States #2220-23 22¢ Explorers - 4 Varieties, Attached Plate Block Varieties include: #2220 - Elisha Kent Kane #2221 - Adolphus W. Greely #2222 - Vilhjalmur Stefansson #2223 - Robert E. Perry,...

United States #1365-68 6¢ Beautification - 4 Varieties, Attached Plate Block*Plate number and position may vary from image shown.

United States #3100-03 32¢ Songwriters - 4 Varieties, Attached Plate Block Varieties include: #3100 - Harold Arlen #3101 - Johnny Mercer #3102 - Dorothy Fields #3103 - Hoagy Carmichael *Plate...