I'm rich beyond my wildest dreams.
Perhaps not. Just found a batch of pristine condition half pence coins as issued in 1971.
These were probably part of an uncirculated batch brought home by my late Dad when the UK went decimal in 1971.

#11 Dennis Guerrier - Decimal Currency. H.M.S.O., London, 1970, 1st edition. #DennisGuerrier #Decimalisation #Currency #HMSO #BookOfTheDay