This past March it was announced that a Naples resident was selling a lucrative stamp collection owned by William H. Gross. The collection recently sold at auction for a total of $19,201,550. A single ...

(CNN) — 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 ...

Get your stamp book ready for the ultimate addition. This summer, Robert A. Siegel Auction Galleries is offering the William H. Gross Collection of United States Stamps. The organization is ...

A Florida widow is demanding a Manhattan auction house return her husband’s $2 million stamp collection after nearly a decade — and believes some of the precious postage might now be missing. The ...

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.

In June, New York’s Robert A. Siegel Auction Galleries will offer what it is billing as the most valuable U.S. postage stamp, an extraordinarily rare 1868 one-cent “Z-grill” stamp featuring Benjamin ...

UNDATED (CNN Newsource/WKRC) - The rarest stamp known to still exist in the United States is set to go to auction and is currently expected to sell for millions of dollars. It's the 1868 One-Cent ...

A one-cent postage stamp from 1868 is expected to become the most expensive U.S. stamp ever sold when it heads to auction in June. Known as the “Z-grill,” the stamp is the most-valued piece of what ...

Many collectors today wonder if postage stamps are good investments. While some rare and historical stamps have increased in value over the years, the market can be very unpredictable. Factors like ...

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 ...