This product is a set of 40 ancient Chinese coins dating back to the 17th century. The coins have a multicolor patina. Some come strung together on a string and square rod likely part of a Chinese coin sword or talisman. These unique coins offer a glimpse into the history and cultural significance of ancient China, making them a valuable addition to any coin collection or a decorative piece for those interested in historical artifacts. Each coin has good value as an antiquity.