The weight of Shuanglong Shouzi currency bank made in Guangdong is only 25.6 grams, which is fake. According to the public information of Shuanglong Shouzi Coin, there are three versions of the diameter, thickness and weight of Pingbifen Shuanglong Shouzi Coin in Qian Qi Guangxu Yuanbao Library, that is, the weight of large diameter is between 32-3 1g, the weight of medium diameter is between 30g, and the weight of small diameter is between 2 1g-20g, and there is no 25.6g in the specification, which is fake.