George IV 1826 proof Half-Sovereign, PF62 UCAM, no tuft of hair

George IV (1820-1830), gold proof Half Sovereign, 1826, bear head left with extra tuft of hair, date below, Latin legend and toothed border surrounding, GEORGIUS IV DEI GRATIA, rev. crowned quartered shield of arms in frame, Latin legend and toothed border surrounding, BRITANNIARUM REX FID: DEF:, edge milled, weight 4.00g (WR 249; Bull EGC 997; Hill 407A S; S.3804A). Toned with some light marks, practically as struck, graded by NGC as PF62 Ultra Cameo, rare.