Southern Ming, Ming-Ch'ing Rebel era, Wu San Kuei (1674-1678 AD), large type thin character 'Li Yong Tong Bao', square head 'Tong' (3 o'clock). Rev.: 'Li' at right. 4.4g, Brass, 26.67mm. This is scarcer large type Li Yong TB coin with very nice extra fine condition.