Here are the top ten rarest 50 pence coins currently in circulation which would see you sitting on a fortune. Since moving to pounds and pence in 1971, more than 70 variations of the 50p coin have ...

If you're lucky enough to come across all 10 coins listed below ... 16 bids and is currently on £92 - while coin sellers are advertising the 50 pence piece for a staggering £179.