Industrial Development Bank of China, 1921 Specimen Banknote Trio. China, Lot of 3 Notes, all are specimens, Includes 1 Yuan, P-491s, S/M#C245-1-, red on m/c; 5 Yuan, P-493s, S/M#C245-3-, blue on m/c; 10 Yuan, P-495s, S/M#C245-5-, green on m/c, all with Village Gateway and building at center. All are Choice AU to Uncirculated condition. ABNC. Industrial Development Bank of China, 1921 Specimen Banknote Trio. China, Lot of 3 Notes, all are specimens, Includes 1 Yuan, P-491s, S/M#C245-1-, red on m/c; 5 Yuan, P-493s, S/M#C245-3-, blue on m/c; 10 Yuan, P-495s, S/M#C245-5-, green on m/c, all with Village Gateway and building at center. All are Choice AU to Uncirculated condition. ABNC.