18K (tested) and enameled necklace in the form of an articulated snake. There are 54 individual barrel shaped links with scalloped edges (slight loss to one) graduating in size from 5.7 mm at clasp end to 16.3 mm in center to 10.5 mm at head of snake. This entire piece is enameled (some losses) in black, yellow green, white and blue. All links are held together by heavy link steel(?) chain. The head of the snake has two 2.5 mm rubies bezel set as eyes. There are 4 individual ways to secure this necklace as a necklace or double arm bracelet. Slight loss to gold at front mouth of snake, 21" l. (73.6 dwt / 114.5 grams, weight includes internal metal chain)