GREAT BRITAIN, British Coins, England, George II: Proof Gold Guinea, 1727, by John Croker, Obv first young laureate head left, small lettering, GEORGIVS.II . DEI.GRATIA., toothed border both sides, Rev inverted die axis, crowned quartered shield of arms, date either side of crown, .M.B.F.ET.H.REX.F.D.B.ET.L.D.S.R.I.A.T.ET.E., edge plain and striated, 8.32g (WR 70, R4). Rarer than indicated in Wilson & Rasmussen, very attractively toned with plenty of mint bloom, small tone spot at centre of the reverse, FDC and extremely rare. Estimate: US$20,000-25,000