Antique Hinged Bangle Bracelet in Sterling Silver

Antique Sterling silver hinged bangle bracelet with slide in locking clasp and safety chain. Design was formed with repoussé and the bracelet is hollow with interior backing. 

Interior circumference: 7"; interior diameter: 2 1/4". It measures 3/4" wide and 1/8" thick. Weight: 40 grams. 

Tarnished with a beautiful patina. Hallmarked on clasp, but I cannot read the marks.