None; tested and guaranteed to be SOLID 18K YELLOW GOLD. Please disregard the two characters at the end of the title, they are used for inventory purposes. As a courtesy, please notify us of any return. Always fast & free unless otherwise stated. Collectors Coins & Jewelry has been family owned and operated on Long Island, NY since 1946.We have four brick and mortar locations and offer the highest quality products with unbeatable customer service. All of our items have been authenticated, tested and inspected by one of our highly trained specialists. Check out our large selection of aggressively priced jewelry, watches and coins. The item "1870s Antique Victorian Ornate 18K Yellow Gold Pocket Watch Pendant for Necklace" is in sale since Tuesday, December 5, 2017. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Necklaces & Pendants\Gemstone". The seller is "collectorsbuysell" and is located in Huntington, New York. This item can be shipped worldwide.