Watch List notes:

Charles II (1660-1685), First Hammered Issue, Sixpence, 1660-1662, Tower, CAROLVS · II · D · G MAG · BRIT · FRAN · ET · HIB · REX, 'Coronation' bust left, no inner ring or mark of value, rev. CHRISTO · AVSPICE · REGNO · square-topped shield over cross moline, 3.06g, 2h, m.m. crown (Bull 274; ESC 1507; Spink 3309), slightly irregular edge, and a staining spot behind crown, nevertheless a tremendous example of this seldom encountered type, some historic surface marks in otherwise lustrous and darkly cabinet toned fields, almost extremely fine, very fine and with profound eye appeal.
Provenance
Baldwin FPL, February 2016, no. 92
Baldwin 96, 24 September 2015, lot 3395
Classical Numismatic Review, August 2000, no. 119

Estimate: £3000 - £4000