Coin are genuine, yet it is from Jiang-Xi province, the capital city Nan-Chang, mintmark “CHANG”, nothing to do with Hupeh(Hubei) nor the Capital city WuChang. Furthermore, Hupeh province didn’t mint coin during the Kangxi era. HuPeh started to mint coin after Kangxi era, from Yongzheng era, but the mintmark is “wu” from “Wu Chang”.