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 ...

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 ...

A rare Benjamin Franklin Z-grill stamp from 1868 could fetch as much as $5 million once it hits auction in New York. There are only two known stamps in existence.

The "Inverted Jenny," 1918, one of the rarest and most valuable stamps in the world, celebrates the first air mail in the U.S.—by depicting an inadvertently upside-down airplane. Hannah Whitaker ...

Many of the most valuable stamps in the world were issued in the UK. And if you're lucky enough to be in possession of one of the rarest, you could earn yourself up to £500,000 by trading it in.

Money; The Queen; Most rare and valuable Queen Elizabeth II stamps as value could soar up to 400% Following the death of Queen Elizabeth II, the nation will be undergoing a dramatic change across ...

Stamps are another item that will change, with the postage items already being highly sought after by avid collectors. For those that already have rare Queen Elizabeth II stamps, expect their ...