Wu San Kuei had his seat of government at Yunnan Fu from 1674 to 1678.
Date : AD 1674 to 1678.
Denomination : Bronze cash.
Reference : Schjoth-1336.
Size : 24.1 mm. Weight : 3.85 grams.
Grade : aF
Obverse : "Li-Yung T'ung-pao".
Reverse : "Li" at the left.