A set of three George III silver salt cellars,

A set of three George III silver salt cellars,
probably by Samuel Herbert & Co, London 1763,
circular form with a gadrooned border, on three shell-capped hoof feet, with glass liners plus another similar with worn maker's mark H.?, London 1761, plus a matched pair of George III silver salt cellars by Samuel Meriton, London 1774 and 1787, total approx. weight 13.7oz. (6)