Date: Ming (AD 1368-1644)
Dimensions: Length 34.1 cm, Width 22.2 cm
Material: Paper
Copper coins were mainly minted in the early Ming dynasty while paper currency was only in practice later on. With the collapse of the paper currency system, copper coins were in circulation again. Daming Tongxing Baochao (the general banknote of the Great Ming) was the only paper currency in the Ming dynasty, put in practice in the 25th year of the Hongwu Period (AD 1392), denominated in different values but with the same size.