Arguably the most famous and valuable stamp in the world, the British Guiana 1-Cent Magenta has achieved near-mythic status. Issued in 1856 in what is now Guyana, this small, faded red stamp was ...

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 ...

An unspoiled copy of one of the rarest American stamps changed hands for a record $2 million on Wednesday, the New York auction house that sold the 1918 "Inverted Jenny" stamp said. The same stamp had ...

In June, New York’s Robert A. Siegel Auction Galleries will offer what it is billing as the most valuable U.S. postage stamp, an extraordinarily rare 1868 one-cent “Z-grill” stamp featuring Benjamin ...

Talk about appreciating with value. A stamp that was purchased for a mere cent during the 19th century just sold for a whopping $9.5 million. According to Gothamist, the One-Cent Magenta was sold way ...