Bank of China, a group of 3 specimens, 1, 5 and 10 yuan, Kalgan, Year 7(1918), serial number 000000, printed by ABNC,(Pick 51hs, 52gs and 53hs), 1 and 5 yuan uncirculated, 10 yuan about uncirculated, a very rare group of specimens! (3).
Estimate: 40000 - 60000