This 18k gold ring by Tiffany & Co., circa 1970s. The padlock-inspired design incorporates a functional hinge, allowing movement in the central element. This kinetic feature adds both visual interest and a tactile experience. Weighing 9.2 grams, the ring has a width of 3/8" and is stamped with "18k" and "Tiffany," confirming its authenticity. Designed in a size 5.5, it can be resized if needed. The band is solid and well-proportioned, providing a comfortable fit. As a vintage piece, it shows some wear consistent with age, contributing to its character. This ring reflects Tiffany & Co.’s legacy of innovative, high-quality craftsmanship in fine jewelry design.