A block of the world's second official postage stamp is going up for auction in May, and is expected to fetch millions of ...

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 ...

The postage stamp that started it all is going under the gavel. The coveted 18th-century rarity, known as the Penny Black, was the world’s first postage stamp and represents the very dawn of social ...

A rare 1868 U.S. postage stamp has sold for more than $1 million at a New York City auction. The 3-cent, rose-colored "B Grill" stamp was among the highlights of a three-day sale at Siegel Auction ...

Many of us who collected stamps as kids were drawn by their beauty and variety. But for real collectors, it's the rare stamp — the mistake — that gets the excitement and the money. At Robert Siegel ...

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 collection of rare stamps which have been collecting dust in an attic for more than 100 years are now set to fetch at least a quarter of a million pounds at auction after being discovered. The 35 ...

He’s a stamp scamp. A Swiss auctioneer who specializes in selling rare stamps says a well-known sheik failed to pay on a $7.5 million winning bid before he died in November, according to court papers.