The piano spring cord not sterling. All other components are sterling silver

The product is a vintage necklace featuring sterling silver rings on a piano spring closure. The brand is Piano, known for its unique and intricate designs in the jewelry industry. This necklace is a stylish and elegant piece that combines vintage charm with a touch of industrial flair, thanks to the use of a spring ring closure for easy wear. Perfect for adding a touch of sophistication to any outfit, this necklace is a timeless accessory for any jewelry collection.