Asia Banking Corporation 1918 "Hankow" Branch Issue Specimen. Hankow, China, 1918, $20, P-S114 Unlisted Branch Issue, S/M#Y35-, Specimen banknote, Brown on m/c on face with camel caravan along Great Wall, back brown with bank seal, Specimen overprints, POCs', S/N 00000, Choice to Gem Uncirculated, ABNC. Asia Banking Corporation 1918 "Hankow" Branch Issue Specimen. Hankow, China, 1918, $20, P-S114 Unlisted Branch Issue, S/M#Y35-, Specimen banknote, Brown on m/c on face with camel caravan along Great Wall, back brown with bank seal, Specimen overprints, POCs', S/N 00000, Choice to Gem Uncirculated, ABNC.