Lote 75226. GREAT BRITAIN. Guinea, 1793. London Mint. George III. PCGS AU-58.S-3729; Fr-356; KM-609. A well struck and flashy Guinea, with sharp detail on the central devices.Estimate: $600 - $900.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.