It's worth checking behind the sofa to see if you can find any of these rare 50-pence pieces ... a special privy mark in the shape of a Tudor Crown." Designed by Christopher Le Brun, the Kew ...
A tiny and " unremarkable" error on your 20p coin makes it worth 485 TIMES its face value. One mistake made for the first time in 300 years caused 250,000 "mule ...