Rare Minting Error Peter Rabbit Half Whisker 50p. Half whisker on Peter Rabbit as a confirmed mint error. This has been in circulation so has minor use marks.The item "Beatrix Potter 2016 Peter Rabbit 50p Coin (RARE half whisker)" is in sale since Thursday, August 29, 2019. This item is in the category "Coins\Coins\British\Decimal Coinage (c. The seller is "mydarling1987" and is located in Liverpool. This item can be shipped to United Kingdom.