Stamps from a specific 1918 batch run have, for more than a century, been considered the holy grail of stamp collecting among affluent philatelists. Earlier this week, one of these misprints, known as ...

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 ...

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 ...

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 ...

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 ...

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 ...

An old British stamp from the island of Mauritius is worth millions now -- due to both its royalty and use in a high-class invitation.