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 ...

Find a buyer: You can sell your $2 bill through online marketplaces like eBay or you can visit a coin and currency dealer.

Nearly a million valuable stamps including the rare 1852-issued Red Sind Dawk, the Penny Blacks of 1854 and the inverted head of Queen Victoria issued in 1854 were on show. A rare coin ...