Victoria 1859 'Ansell' Sovereign, AU50, with extra line to ribbon

Victoria (1837-1901), gold Sovereign, 1859, Ansell type with extra raised line in hair fillet of young head facing left, date below, WW incuse on truncation for engraver William Wyon, Latin legend and toothed border surrounding, VICTORIA DEI GRATIA, rev. crowned quartered shield of arms within laurel wreath, emblems below, Latin legend and toothed border surrounding, BRITANNIARUM REGINA FID: DEF:, edge milled (Bentley 426; Hill 42A R2; Bull EGC 1132 R2; MCE 520; S.3852E). Toned, some light marks, has been slabbed and graded by NGC as AU50, rare in higher grades.