Fantastic antique mid-Victorian chunky tri color gold filled book chain necklace with the ORIGINAL sardonyx hardstone cameo locket pendant. The chain measures 16-3/4" long x 7/16" wide x 1/4" thick. The locket measures 1-1/2" x 1-1/8" x 9/16" at it's thickest point. The chain and locket together weigh 40 grams. The locket and chain both are yellow gold filled with applied green gold and rose gold accenting leaves and four leaf clover. The inside of the locket has its original glass and bezel. This would have been used to hold either a photograph, or as a hair locket. The ensemble is in outstanding condition with ever so slight age appropriate wear, extremely well cared for. A new spring ring clasp has been added. Circa mid 1800s.
According to Antique Jewelry University- a "Book Chain" is a Victorian chain style consisting of interlocking links of flat folded metal resembling the binding of a book. An alternative name for this type of link is a "Venetian Chain".