18k gold lion intaglio seal ring 1920s

An 18k gold lion intaglio seal ring - a small oval signet ring with a flat table with a hand engraved intaglio of a crest of a demi lion rapant on a tapered shank - marked for 18k gold  - total weight 10.6grms - dimensions of face 13 x 11 mm - current ring size Q - c.1920