Imitation Half Guinea gaming counter, Obverse; GEORGIVS III DEI GRATIA., laureate bust facing right, Reverse; M.B.F.ET.H.REX.F.D.B.ET.L.D.S.R.I.A.T.ET.E., 1771, crowned shield of arms, 20mm, brass, die axis 180, Neilson#0625, this date not listed in Mitchiner, VF.
References;
W. Bryce Neilson; A Thousand Guineas, a checklist of imitation guineas and their fractions. Galata, 2013
Michael Mitchiner; Jetons, Medalets and Tokens - volume 3; British Isles circa 1558 to 1830 , 2007.