A late 19th century Austro Hungarian silver gilt amethyst, ruby, emerald and enamel bracelet

A late 19th century Austro Hungarian silver gilt amethyst, ruby, emerald and enamel bracelet
Composed of a line of seven graduated cut-cornered rectangular amethysts in scroll design mounts with black, white and pale blue enamel detail and foiled ruby and emerald accents, approximately 18.0 cm. long, some stones deficient, some loss to enamel