Watch List notes:

Commonwealth (1649-60), Halfgroat, 0.95g, shield of England within palm and laurel wreath, rev. conjoined shields of England and Ireland, mark of value above (ESC 224 {2160}; N.2728; S.3221), very fine.
Provenance:
Seaby Coins and Medals Bulletin, October 1982, E700
Estimate: £80.00 - £120.00