13 Most Valuable Postage Stamps in the U.S. and the World. Story by Megan Cooper, M.A.S., B.S. History ... Heavier items required either a ton of cheap stamps or a few expensive ones.

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 ...

Stamps are more than postage- ... we dive deeper into the five most valuable stamps ever produced, ... This is one of the most expensive stamp items in the history books.

The UK’s most valuable postage stamp has been listed for sale for £650K. The legendary Plate 77 Penny Red was printed in 1864 and there are just nine examples of the stamp that still exist.

The Uk's rarest stamp dating back to 1864 is being put up for sale for more than £650k.