Sorry, this item sold. Have GemRio make something just for you, or try these other items:
Pin back, unsure of metal, but appears to be gold-plated brass, filigree oval with 40x30mm cabochon setting. 4 prongs. Sold individually.
Large size flat pads are just the right size for a cabochon, Kato Polyclay™ creations, porcelain flowers, or Swarovski flat back crystals. Safety-closure pin on the back.