There is a marking on the clasp I can not read. The clasp is in working order. Some solder marks present but can not see without magnification.Please zoom over all pics as they are part of the description. All pics enlarged to show details. The item "Antique Victorian Moonstone 10k Gold Necklace- Bridal Jewelry-Estate Jewelry 8g" is in sale since Saturday, August 15, 2020. This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Fine\Victorian, Edwardian 1837-1910\Pins, Brooches". The seller is "caz7722" and is located in North Port, Florida. This item can be shipped to United States.