Watch List notes:

Commonwealth (1649-60), Sixpence, 1651, 5 over higher 5 (?), m.m. sun, 2.72g, n over inverted n in commonwealth, shield of England within palm and laurel wreath, rev. conjoined shields of England and Ireland, mark of value above (ESC - {-}; N.2726; S.3219), good fine, an unlisted overdate, very rare thus.
Provenance:
Bonhams, 15-16 April 2003, lot 882
Estimate: £600.00 - £800.00