NEW YORK – A 1-cent postage stamp from a 19th century British colony in South America has become the world's most valuable stamp — again. The 1856 British Guiana One-Cent Magenta sold Tuesday at ...

History, intrigue and a misprint combine so that a single stamp has sold for $2 million at auction. What is it? Well, at the basic level, it is a U.S. postage stamp from 1918. But this stamp's got ...

Scott Trepel of Seigel Auction Galleries describes the rare "Inverted Jenny" stamp that sold for a record $2 million. A first-class U.S. postage stamp will set you back 66 cents these days, which, you ...

An ultra-rare stamp depicting an inverted Jenny airplane has been sold for a record $2 million at a New York auction, making it the most expensive U.S. stamp ever sold. A 76-year-old New York man ...