I have three three-year-old Yuan Datou, a commemorative coin of Sun Yat-sen's founding and several Mexican silver dollars. What price are all genuine? Shanting in Zaozhuang City, Shandong Province has been collected. ... Your question, three three-year Yuan Datou, the common layout of the market is generally around 650 yuan; Sun Yat-sen's Founding Commemorative Coin and several Mexican Silver Dollars. The market with good common formats is generally around 600 yuan; The shanting in Zaozhuang City was closed, and the market continued to be sluggish this year; Good luck to year of the snake!