Stunning Victorian 12k Gold Filled and Black Onyx Lavalier Chain with Locket. Marked 12k 1/20 and F. Co (not positive about the C, might be another letter). The chain is 18″ and the drop is 2 3/4″ with the locket at 2 including the bale. There is very little wear to the gold fill and the chain links are heavy! She is a beauty. The item “Antique Victorian 12k Gold Filled & Black Onyx Mourning Chain Locket FC Co EUC” is in sale since Monday, December 16, 2019. This item is in the category “Jewelry & Watches\Vintage & Antique Jewelry\Fine\Victorian, Edwardian 1837-1910\Necklaces & Pendants”. The seller is “sonupsales” and is located in Skaneateles, New York. This item can be shipped worldwide.