Watch List notes:

China - Kansu - 5 & 10 Cash Pattern nd. (1928) (KM Pn1-2; CCC 741/743; Duan 3387/3393) - 5.28 & 6.86 g. - F/VF, rare, there is some controversy about the fact that the coins are sandcast and not machine-struck, see Zhongguo qianbi dacidian (2009) #1291-92 and #1296