Losnummer 75240. GREAT BRITAIN. 1/2 Crown, 1817. London Mint. George III. PCGS AU-58.S-3788; KM-667. Bull Head Variety.Estimate: $200 - $300.Click here for certification details from PCGS. Image with the PCGS TrueView logo is obtained from and is subject to a license agreement with Collectors Universe, Inc. and its divisions PCGS and PSA.