Looking to bring more depth to your collection? These back-of-the-book stamps were created to pay postage on printed publications, reflecting the growth of mass communication and the free press.
The world's first triangle stamps were made to be recognized at a glance. Learn the details behind these distinctive stamps and add them to your collection.
World Stamp Expo 2000 Creates Extremely Scarce Hologram Errors
No One Knows For Certain How Many Exist
For the first time ever, the U.S. Postal Service released America's first hologram stamp, first round stamp, first round souvenir sheet, and first 5-sided stamps – all at once. But some sheets came through with the holograms applied wrong...