Turquoise Ring in Sterling Silver Size 7 1/2 Two Hallmarks

Vintage turquoise ring in sterling silver with appliqué work and raindrops. The stone is a nice medium blue with black matrix. A few lines of silver on the surface may be a filler of some sort. Face of ring measures 1 3/8" long by 5/8" wide. Size: 7 1/2 Weight: 6.9 grams.