If you’ve ever come across an old stamp collection and wondered if it might be worth something, you’re not alone. Collecting ...

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 inside look at the obsessive, secretive, and often bizarre world of high-profile stamp collecting, told through the journey of the world's most sought-after stamp. When it was issued in 1856, it ...

On June 14 and 15, 2024, Siegel Auction Galleries of New York City will offer the William H. Gross Collection of United States Stamps. This is, without question, the most significant and most valuable ...