Vintage Italian Rectangular Link Biker Chain in 14k yellow gold. 18” length. Each link is approx 3mm long, 2mm wide. 7 grams in weight. (Current gold value as of today, July 20 is $525) Secure spring-ring clasp. Difficult to show the beauty of this chain in the pics. Versatile gold chain that layers beautifully with other necklaces and is substantial enough to hold for pendants. Stamped 171AR and 562 near clasp in a cartouche. 562 translates to 13.5k which is rare. See details below about the markings: The Meaning of the Stamps171 AR (The Manufacturer Mark): The AR stands for Arezzo, a historic city in Tuscany that serves as one of Italy's primary gold manufacturing hubs. The number 171 is the unique registration number assigned by the government to the specific goldsmith workshop that crafted the chain. 562 or 585 (The Gold Purity Mark): While you noted "562", this stamp type is structurally reserved for the metal fineness. It is almost certainly 585, which is the European standard designation for 14-karat gold (meaning the piece is 58.5% pure solid gold mixed with structural alloys). You can determine if the piece is true vintage based on the geometric border around the 171 AR stamp:1934 – 1968: If the letters and numbers are enclosed inside an elongated hexagon shape, the chain was manufactured between these years. This chain is from my personal collection. Please check my other listings, feedback, ratings, etc and buy with confidence.