Russo-Asiatic Bank, ND 1917 "Harbin" Branch Issue Specimen. China, 50 Kopeks, P-S473s, S/M#O5-100, Specimen banknote. Black face with locomotive on left, back green and m/c, Specimen overprints and POC's, All of the text is in Russian. AU to Choice AU due to 2 light vertical folds, ABNC. Rare as specimen. Russo-Asiatic Bank, ND 1917 "Harbin" Branch Issue Specimen. China, 50 Kopeks, P-S473s, S/M#O5-100, Specimen banknote. Black face with locomotive on left, back green and m/c, Specimen overprints and POC's, All of the text is in Russian. AU to Choice AU due to 2 light vertical folds, ABNC. Rare as specimen.