An Art Deco emerald, diamond and rock crystal cigarette case, circa 1915, the rectangular case with

An Art Deco emerald, diamond and rock crystal cigarette case, circa 1915, the rectangular case with a hinged lid in frosted rock crystal, applied with a green glass cameo of Cupid within a border of rose-cut diamonds and cabochon emeralds, the clasp and hinges similarly set with rose-cut diamonds, one cabochon emerald and one circular-cut diamond, mounted in gold and platinum, measuring 8.0 x 5.4 x 1.8cm