N9 BLACK by N2G - TrickWelcome to N9. A visual and practical coin changing effect. An ancient Chinese coin is carefully examined by the audience. You even use a small stick to pass through the symbolic hole of the ancient coin. In an instant, the Chinese coin became a Morgan dollar! Morgan dollar allows the audience to check at will. Most importantly, the ingenious design and structure of this prop allows you to replace the background paper, so you can create miracles on