This Art Deco sterling silver pin features a bezel set mahogany obsidian semi precious gemstone in the center with hues of black and red, flanked on either side by a distinct openwork pattern. Mahogany obsidian is a type of volcanic glass found naturally, making it a reliable source for grounding, strength, and protection. The pin’s back is stamped with the sterling hallmark, and the c clasp closure measures approximately 1/4″ x 2″ long. Examine the photographs and measurements carefully, to ensure your satisfaction.