BANKNOTES. CHINA - REPUBLIC, GENERAL ISSUES. Bank of China: Uniface Obverse and Reverse Proof 1-Yuan, orange-red, 5-Yuan, green, and 10-Yuan, brown, September 1918, Szechuan, unperforated and mounted on card stock, ABNC Archive Proofs (P 51p, 52o, 53o). Uncirculated.