Rare huge 10-cash of the Wu Sangui (as Prince of Zhou dynasty, 1674-1678), Southern Ming period, South and West China

Li Yong Tong Bao  / Yi Fen (for "one fen (of silver)") above and below. 40mm, 13.79 grams. Cast 1674-1678 AD. Hartill 21.102.

Variety with a one-dot Tong. Lovely scarce coin, cast before Wu Sangui accepted the Imperial title Wu Shifan in 1678.