Watch List notes:

China, Later Shu (926-965), ? ? ? ? Guang Zheng Tong Bao, iron round cash, with square hole, c. 956-963, 25 mm, 2.98g (H. 15.76; FD 804). Fine, possibly tooled. Extremely rare. Iron Guang Zheng Tong Bao was circulated later than the bronze ones, which are also extremely rare, to cover additional military expenses.