Vintage Hamish Dawson Bowman for Celtic Art Industries "Cridhe"  sterling silver and amethyst bangle. The bangle has an ornate  silver Celtic design with a large faceted amethyst prong set in an open backed sterling silver setting. It is openable and has a box clasp closure and safety catch. It measures approximately 6.1 x 4.4 cm (clear internal dimensions). Weight is 37 grams.  It is signed with makers marks "CAI", "SCOTLAND", "STERLING", and "DB" on the inner side. It It is in very good condition with small signs of wear commensurate with age.

Condition: Very good with small signs of wear commensurate with age
Colour/gemstone:Silver 
Metal: Sterling Silver
Size: 6.1 x 4.4 cm clear internal dimensions
Era: Estimated 1970's