Project X Red Bronze Metal Clay is a base metal clay from the Five Star Project X line, manufactured by Clay Revolution in Madison, NC, USA. This copper clay fires to a rich red bronze finish — great for handcrafted jewelry, metalsmithing projects, and jewelry making classes. A quality metal clay supply for artists working with bronze clay and base metal jewelry. Used and sold at Sherry Siewert Studio in Richmond, Virginia. Sherry Siewert is an authorized distributor for Clay Revolution.