The misprinted stamps came in both blue and orange varieties, and only 26 have been recovered so far. One sold in 2011 for $1.67 million. You can't leave Germany off the list of most valuable ...

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 ...

A stamp called British Guiana 1c magenta is expected ... and was seized by the French in 1920 as reparations from Germany. FAISON: How remarkable is that, I mean, if you think about it?

only after a lengthy duel with a bidder from south Germany. The stamp was particularly valuable because it was featured as the cover picture on a book written about Syke's collection of halved ...

A dispute over an Audrey Hepburn stamp in Germany is going to help poor children in Africa. A mint-condition sheet of 10 stamps portraying Hepburn with a long, cigarette holder dangling from her ...