History acknowledges the creation of the first paper cash, paper money to the Song Dynasty. The art of printing was a Chinese work that existed already to the ignorance of the rest of the world. The Province where Chinese printing paper appeared was called Szechuan. First, they served as banknotes. The accomplishment here to note consists of that, an early group of merchants used this as a means for exchange and deals. Historically the copper or bronze was the exchange unit, this "paper currency was called Jaoizi. The circulation of this unit was kept within the region of the Chinese Szechuan province.
