Silver, diameter 26.6mm.  CAROLVS· ET· MARIA· DG· MAG· BRIT· FRAN & HIB· REX & REGII Their conjoined busts right.  R. Garter with motto HONI SOIT QUI MAL Y PENSE around crowned arms.  Mitchiner 4794. M.I.279.  Slight scratch across face, otherwise VF, pleasing tone