National Postal MuseumUSNational Postal MuseumUnited StatesJuly 30, 1993Face value 29 cents Commemorative issue National Postal Museum✓ Owned♡ Wishlist
Moving the mailUSMoving the mailUnited StatesJuly 30, 1993Face value 29 cents Commemorative issue National Postal Museum✓ Owned♡ Wishlist
Starting the system, Benjamin FranklinUSStarting the system, Benjamin FranklinUnited StatesJuly 30, 1993Face value 29 cents Commemorative issue National Postal Museum✓ Owned♡ Wishlist
Stamps & barcodeUSStamps & barcodeUnited StatesJuly 30, 1993Face value 29 cents Commemorative issue National Postal Museum✓ Owned♡ Wishlist
Expanding the nationUSExpanding the nationUnited StatesJuly 30, 1993Face value 29 cents Commemorative issue National Postal Museum✓ Owned♡ Wishlist