An 18th century silver tea caddy

An 18th century silver tea caddy, the slide off base with maker's mark of John Newton, oval cylindrical form, later embossed with foliate scroll decoration, the pull off cover with a knop finial, engraved with an armorial, height 13.8cm, approx. weight 7.5oz. ** The arms are those of Boughton of Suffolk engraved on a lozenge for a spinster.