Silver, diameter 12.3mm.  GULIELMUS· IIII· D: G:   BRITANNIAR: REX· F: D: His bare head right.  R.  Crowned 1 1/2 above 1835 in wreath.  Does not seem to be an pverdate, no part of 4 visible.  S.3839.  Some corrosion, otherwise F-GF

Ex David Rogers collection.