Brass 19.2 mm diameter, weight 4.20 grams.  ROYAL MINT above lion on crown, 1821 below.  Rv. CUR.T WEIGHT / DW:  GR: / 2. 16 ' HALF GUINEA, a star in field above and below.  W.2250B.  Slightly scratched on obverse, otherwise Good VF with traces of original colour.

Ex David Rogers collection.