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 ...

An ultra-rare stamp depicting an inverted Jenny airplane has been sold for a record $2 million at a New York auction, making it the most expensive U.S. stamp ever sold. A 76-year-old New York man ...

Bond investor Bill Gross just broke an auction record in the stamp world, raking in $10 million in a single day. The top lot, which fetched $737,500, was the unique block of the 24-cent 1869 Pictorial ...

When bond investor Bill Gross's mother wanted to save money for his education, she looked at stamp collecting as a way to invest. But when he tried to sell the stamps before enrolling at Duke ...

A first-class stamp for a standard-size, rectangular envelope costs just 66 cents. But if you want a stamp that’s really something special, you’d better be willing to shell out the big bucks. One of ...

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 ...

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 ...