Frontier Bank, 1925 Issue, Unlisted "Tientsin" Branch Variety. China. 1925. 5 Yuan, P-S2571s Unlisted Specimen, (S/M #P42-6?). Specimen banknote, Orange and m/c with house at center, back orange. Specimen overprint and POC's, Choice to Gem Uncirculated, Exceptional and desirable note that is only available in specimen and in superb grade. ABNC. Frontier Bank, 1925 Issue, Unlisted "Tientsin" Branch Variety. China. 1925. 5 Yuan, P-S2571s Unlisted Specimen, (S/M #P42-6?). Specimen banknote, Orange and m/c with house at center, back orange. Specimen overprint and POC's, Choice to Gem Uncirculated, Exceptional and desirable note that is only available in specimen and in superb grade. ABNC.