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 ...

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 ...

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 ...

The “Z-grill” is likely to go for the highest price ever paid for a U.S. stamp when it is auctioned in June. By James Barron Good morning. It’s Monday. We’ll find out why a 1-cent postage stamp could ...

As a child, billionaire investor Bill Gross received a set of stamps from his mother, who believed the album could pay for his college. The stamps turned out to be worthless, but Gross—determined to ...

Major stamp auctions are stellar events and none more so than the June 14-15 sale in New York of the key items from the Bill Gross collection, the most complete of United States postage stamp ...

Known as the world’s most valuable and rare stamp, this unique piece was produced during a stamp shortage in British Guiana. Only one copy is known to exist, discovered by a 12-year-old Scottish boy ...