Two similar pairs of Scottish George III and William IV silver salt cellars

Two similar pairs of Scottish George III and William IV silver salt cellars, comprising: one pair by Milne and Campbell, Glasgow circa 1760, the other pair Edinburgh 1836, by Robert Naughten of Inverness, circular form, crimped border, gilded bowls, engraved with a crest, on three hoof feet, with one glass liner, approx. weight 9.9oz. (4)