A William and Mary silver snuff box

A William and Mary silver snuff box, maker's mark of T.T with a crown above, attributed to Thomas Townley of Thomas Tucker, London, circa 1690, oval form, the slightly domed cover, base and sides engraved with a bird and foliate scroll decoration, length 5.2cm, approx. weight 1oz. Purchased from Phillips, London 27 June 1980.