Watch List notes:

BRITISH COINS, George III (1760-1820), Gold Pattern Guinea, 1761, long haired laureate head right, engraved by John Tanner, GEORGIVS. III. DEI. GRATIA, rev struck en médaille, crowned quartered shield of arms, date either die of crown, M.B.F.ET.H.REX .F.D.B.ET .L.D.S.R.I.A.T.ET E., edge plain, 8.11g (WR 82 R5; Selig 1111, this coin). Extremely fine, short scratch in obverse field, other light hairline surface marks in fields both sides, very rare.
ex Herman Selig collection (part II), Coins of George III, Spink auction 131, 2 March 1999, lot 1111 and colour plate
ex Spink Numismatic Circular, September 1999, item 3320, featured on the front cover

Estimate: £8000-10,000