Were you one of the adults who brought back your childhood memories by collecting and trading toys to make a bit of extra ...

There's something to be said for collecting old coins. Some people do it for the fun of it or to have a cool story to tell.

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 ...