The stamps are due to be auctioned and experts are expecting them to attract a lot of interest.

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: ...

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 ...

An ultra-rare U.S. postage stamp is going under the hammer this summer — and it may fetch as much as $5 million. Robert A. Siegel Auction Galleries in New York recently announced that it will be ...

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 ...

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 ...