According to Baidu Encyclopedia, you can buy the wrong version of colored silver coins of Longfeng Cheng Xiang in Nanchang Gold and Silver Coin Market, and the price can reach 50,000 yuan.
Beijing Opera Art Long Feng Cheng Xiang Wrong Edition Silver Coin has a face value of 50 yuan, with a circulation of 700 pieces and a fineness of 99.9%. The front design is Deheyuan Grand Theatre in the Summer Palace, with the country name and year number published.