A 1-cent postage stamp from a 19th century British colony in South America has become the world's most valuable stamp - again. Sotheby's says the 1856 British Guiana One-Cent Magenta sold Tuesday at ...
The Inverted Jenny is a famous misprint stamp from 1918 that features the Jenny plane—or the Curtiss JN-4, used to carry mail ...
The world’s most famous and valuable stamp, the British Guiana One-Cent Magenta, is now on display that the Smithsonian’s National Postal Museum. Prominently showcased in the museum’s William H. Gross ...