Here’s something for serious stamp collectors only. This summer, philatelists will have a chance to snag the rarest US stamp ever: the 1868 one-cent “Z-grill.” Interested? It’ll cost you (more than) a ...

Stamps as an investment in collectibles has long been an attractive way to diversify a portfolio by very wealthy individuals. There is no one better example than Bill Gross to illustrate someone who ...

While investment quality stamps have a steady history of appreciation, their value at any one point in time is fairly well known. It is therefore important for someone buying stamps as an investment ...

A Christmas stamp over 50 years old could be sold for over £500 thanks to an unusual printing mishap. The three pence stamp depicting an angel from Heaven – one of just 24 unused examples in existence ...

The infamous Inverted Jenny, one of the most collectible stamps in the world, has set a new auction record for a U.S. stamp, with a $2 million sale at New York’s Robert A. Siegel Auction Galleries.

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 ...

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 ...