This French Art Nouveau long chain necklace, crafted around 1900, features a series of elongated links with interlocking circular, elliptical, and trefoil motifs. Made from 18kt yellow gold and weighing 81.90 grams, it offers both a substantial feel and an airy design. Measuring 59 inches in length, the necklace can be worn doubled or layered with other period pieces for added versatility. It bears French assay marks along with an unidentified maker's mark "R.G".