China's founding father Sun Yat-sen.Sun Yat-sen is the forerunner of the great Chinese democratic revolution, in order to transform China deplete a lifetime of effort in history to establish an indelible feats, but also for the political successor to leave precious heritage.President of the Republic of China Sun Yat-sen printed this currency.As printed in the Republic soon perish so these currencies rarely survive in the world. Have a good appreciation of space.Sun Yat-sen coins we sell are genuine and supports a variety of authentication.