This 1904 British stamp is extremely rare because nearly all of the 19 sheets printed were immediately destroyed and the stamps were recalled the same day they were issued. Of course, some stamps ...

Known as the world’s most valuable and rare stamp, this unique piece was produced during a stamp shortage in British Guiana. Only one copy is known to exist, discovered by a 12-year-old Scottish ...

The first series of the small-size $2 bill, the 1928 series is rare and highly sought after, especially the notes with red seals. Though a very rare and uncirculated 1928-B can be worth upwards of ...

The world’s most valuable stamp comes from South America So how do misprints occur ... Missing or doubled overprints and, above all, color errors are extremely popular among collectors. Collectors are ...