For over 180 years, we’ve been collecting stamps, and philatelists have put a high price on the rarest of the rare stamps, from hundreds of thousands to millions of dollars. These are the most ...

Here’s a look at some of the 12 most valuable American stamps that are still out there, waiting to be discovered by lucky ...

An upside down ship makes this commemorative stamp one of the most famous and valuable American postal errors of all. Find ...

The stamp, seen here with Siegel Auctions President Scott Trepel, once famously featured in an episode of the Simpsons A rare US postage stamp has sold for $2m (£1.63m) in a New York auction ...

An $8.3m (£6.2m) stamp is returning to the UK for the first time in 143 years, after being sold at auction to a British rare stamp dealer. The British Guiana 1c Magenta was bought by rare stamp ...