This empire had its paper currency devalued seventy-fold within sixty years of its founding, so it turned to copper coins, which were quickly counterfeited.  
This empire had its paper currency devalued seventy-fold within sixty years of its founding, so it turned to copper coins, which were quickly counterfeited.  This faulty policy was in part due to the peasant man who founded it, the Hongwu emperor.  In its early years the eunuch admiral Cheng Ho began a series of seven naval expeditions, but a gradual decline over the next 250 years, spurred on by ever increasing Manchu raids, stunted this empire's growth.  FTP, name this Chinese dynasty in power from AD 1368 to 1644, which is now famed for its porcelain.
This empire had its paper currency devalued seventy-fold within sixty years of its founding, so it turned to copper coins, which were quickly counterfeited.  
Ming Dynasty