Preowned bracelet is a vintage modernist piece made of enameled copper. It is a hinged clamper cuff featuring vibrant orange and red abstract patterns. Designer: These styles are most often associated with Matisse Renoir, a popular California-based company known for modernist copper and enamel jewelry.Material: Solid copper base with colorful enamel inlays, often featuring splatter or abstract art designs.Style: Mid-Century Modern (MCM) "clamper" design with a spring-loaded hinge for easy wear.