Acid test positive (See last photo) for 925 sterling silver. Rhinestones across the top. 7 5/8 inches interior circumference. 2 3/4 inch diameter. Hallmarked, hinged bracelet cuff with a 1.25 inch gap when opened. Vintage. I cleaned some of the tarnish with a silver polishing cloth, but it is still present within the interior grooved openings. 13.6 grams.