Yuan Dynasty. Zhi Zheng Tong Bao, 1350 dated, AE 3 Cash (9.9 g, 32.3 mm). \Yin\ on back. Issued in 1350 AD, 10th year of Yuan Emperor Toghon Temur. Dated in Phags-pa script with Chinese Sexagenary Cycle dating system. Nice details with sharp characters. Even grey-brown patina on both sides. Rare fir