In very good condition this bracelet in the image is a Thierry Mugler design, known for its avant-garde and sculptural aesthetic. Mugler's designs gained popularity in the 1980s and 1990s. This particular style of cuff bracelet, often made from materials like metal or steel, was a common element in his collections from that era. While a precise year of manufacture for this specific bracelet is difficult to pinpoint, similar designs were prevalent during the 80s and 90s.