HKMAL collection
Ming dynasty (明朝) [1368 - 1644 AD], Chong Zhen Tong Bao (崇禎通寶), 1628-1644, AE 5 cash (五文). Rev. wu (五) at left, jian (監) at right, ex. Chang Collection. Cast in earlier 1644 AD before the collapse of Ming dynasty.	Asia China 1644