C1929-1930 rare dark brown sea glass turquoise and sterling silver necklace

Spectacular statement of beauty and history wearing this necklace. The glass has bubbles in the texture and are rounded not flat and both are indicative of the way glass was made in the early 1920’s before brown glass was replaced with colored glass. All the turquoise beads have veins and texture. High grade turquoise. Weighs 1.3 ounces Still working on research. Clasp is stamped 925