Silver, 39.5mm diameter, wt. 26.91 grams.  CAROLUS· IIII· DEI· GRATIA· 1794· around bust of Carlos IIII, oval countermark of George III on his neck.  Rv. ·HISPAN· ET· IND· REX· Mo· 8 R· F· M· Crowned arms between pillars.  S.3765A.  Colourful iridescent toning, nearly VF, countermark EF

Ex David Rogers collection.