Edward VIII, unofficial piedfort "Pattern Double Florin" or "Four Shillings" dated 1937, struck in .999 silver, struck to a brilliant proof finish, blank obverse, rev. crowned cruciform shields, sceptres in angles, Garter star at centre, date at top, error legend FID: DEF: BRITT: REG:, edge plain, diameter 36mm., brilliant as struck and unique, with modern reverse die, which served to strike the error preceding pieces, incuse impression of Double Florin with error legend, cancelled, with two lead impressions, as made and cancelled (4)