Estate Tiffany & Co 18K White Gold Diamond Oval Mini Key Charm Pendant. The beautiful pendant measures 27.8 mm long from the top of the loop X 8.4 mm wide at the top. It is engraved: TIFFANY & CO AU 750 ITALY. This romantic pendant is elegant and rich. It is in excellent condition. It has been beautifully cared for. It comes in its Tiffany pouch and box. Please visit my ebay store for unique estate jewelry. Thank you.