Early 20th century 9ct gold multi gem serpent ring, unmarked (tested 9ct), in the form of a cobra, inset to the head with a round cut blue sapphire stone of approx. 4.88 mm diameter, flanked by seven graduated round cut emeralds, two ruby eyes and three graduated semi spherical seed pearls, on a ribbed 9ct gold band incised with snake skin detailing, total weight 4.81gm, size R