中国实业银行民国20年1元正反单面样票及单面渐进印刷底纹图案合共3枚,上海地名,奔马图案,许义宗教授藏品,PMG鑑 定,分别评62、62及58EPQ,此种样票加渐进印刷底纹图案极为稀见,亦属首度出现在斯宾克拍卖中,不容错过。The National Industrial Bank of China, a group of individual notes consisting of: 1 yuan, uniface obverse and reverse specimen, Shanghai, 1931 and also a uniface progressive proof of the obverse for the same note,(Pick 531 for type), PMG 62, 62 and 58EPQ. The progressive proof very rare (3 individual notes).