There also seems to be extra metal around the edge of one side as well as a rounded off section as shown in third pic. The item "2018 One Pound £1 Coin Minting Huge Error Off Centre Collar Slip Error 2" is in sale since Thursday, October 17, 2019. This item is in the category "Coins\Coins\British\Decimal Coinage (c.
The seller is "collectables187" and is located in wrexham, Wrexham. This item can be shipped to United Kingdom.