NEW YORK - "The holy grail of coins" and two of the world’s most valuable items in stamp-collecting are going up for auction next week in New York and could sell for a combined $37 million. The three ...

Stamps feel almost novel today, but they aren't that old of an invention. The first American stamps weren't issued until 1847, but it wasn't long before people grew fascinated by the different colors ...

Those tiny squares of paper we stick on envelopes hold secrets that would surprise even the most curious minds. From the world's first postage stamp that ...

(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 ...

A block of rare postage stamps, found hidden in a cupboard, could be worth up to £200,000 when it is sold at auction. The Penny Blacks, the world's first type of adhesive postage stamp, were ...

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 ...

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 ...

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 ...

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 ...

An unspoiled copy of one of the rarest American stamps changed hands for a record $2 million on Wednesday, the New York auction house that sold the 1918 "Inverted Jenny" stamp said. The same stamp had ...