Add Yahoo as a preferred source to see more of our stories on Google. Here’s something for serious stamp collectors only. This summer, philatelists will have a chance to snag the rarest US stamp ever: ...

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 ...

The Penny Black, dating from 1840, will be part of Sotheby’s “Treasures” sale on Dec. 7, the auction house announced Tuesday. This Penny Black was from the first sheet printed, the Australian ...

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 ...

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 ...

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 ...