A set of four George III silver wine coasters

A set of four George III silver wine coasters, by Naphthali Hart, London 1807, circular form, part-fluted decoration, turned wooden bases, gadroon borders, engraved with a crest, diameter 14.8cm. (4) The crest is that recorded for Archer, Brawne, Mayne, Ryder, Williamson, Wright and other families.