Commonwealth (1649-60), trial strike of the 1651 Halfcrown, on a thin 1mm. copper flan, 7.52g, 33.6mm., m.m. sun, by Blondeau, shield of England within palm and laurel wreath, rev. coin alignment, conjoined shields of England and Ireland, mark of value above, edge plain, (ESC 64 {444A} [R7], this coin; N.-; S.-), some weakness on obverse between 1 and 3 oclock and on corresponding area of reverse, otherwise extremely fine, the only recorded example
