Impressive Arts Crafts Sterling Silver Chrysoprase Brooch Pin Quality silver craftsmanship! Wonderful turn of the century brooch features a large green cabochon chrysoprase, bezel set in highly detailed sterling silver. Brooch is unmarked, but tests as sterling silver. C-clasp pin back, brooch is in very good antique condition, no dents or dings, secure clasp, warm patina. Circa: 1910 Measurements: 1.5 inch long, 2 inches wide. Weighs 17 grams.