One of the rarest is the Kew’s Garden 50p, which was designed to mark the 250th anniversary of the gardens in 2009. Only 210,000 coins were ever minted with this design. The Kew Gardens 50p sells for ...

A significant event in Britain's recent past, collectors will want to ensure they have a coin that marks it. There are a few ...

If you have gold or silver coins you want to sell, they can be worth quick cash. If your coins are rare or potentially ...