English 9k yellow gold carnelian intaglio seal ring

A large 9k yellow gold seal ring consisting of an oval antique carnelian intaglio of a crest of three sickles within an oval cartouche surmounted by a coronet and three plumes of feathers with wreaths to the sides and the letters W K bezel set in a wide signet style setting - marked for 9k gold and hallmarked for Birmingham 1997 and "GT&S" for an unidentified maker - total weight 15.4grms - dimensions of face 25 x 20mm - current ring size W - please enquire to resize - intaglio c.1860 Europe ring 1997 England