Undoubtedly, the rarest and most expensive German stamp ever sold at auction is the Baden 9 Kreuzer error stamp. The nitty-gritty of stamp collecting can be as ...

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 ...

51,000 were printed, and fewer than 150 are still around. The stamp is worth an estimated $547,464 adjusted for inflation since its $425,000 sale in 2011. Like baseball cards, you often need a ...

If you've ever come across an old stamp collection and wondered if it might be worth something, you're not alone. Collecting vintage stamps isn't just a charming pastime-it can also uncover hidden ...

Scott Trepel of Seigel Auction Galleries describes the rare "Inverted Jenny" stamp that sold for a record $2 million. A first-class U.S. postage stamp will set you back 66 cents these days, which, you ...

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 ...

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 first-class U.S. postage stamp will set you back 66 cents these days, which, you know, might seem expensive to anyone who remembers cheaper postage. AILSA CHANG, HOST: But a stamp that's more than a ...