Watch List notes:

Commonwealth (1649-60), Halfcrown, 14.75g, 1653, m.m. sun, shield of England within palm and laurel wreath, only stops by mintmark, rev. conjoined shields of England and Ireland, mark of value above (ESC 33 {-}; N.2722; S.3215), dark toned and weak in places, about good fine.
Provenance:
Baldwins auction 14, 13-14 October 1997, lot 460 (illustrated), £460 - "nearly very fine, the variety unrecorded, extremely rare"
Blackfriars Bridge Hoard, deposited c.1660
Estimate: £250.00 - £350.00