拍品描述： 民国三十一年中国银行一佰圆单面试样。3枚一组。三张均是背面的单面样张，呈现中国银行一佰圆不同时期的印刷。绿色的一张单面评级为64Q、一枚黑色的为CU64、一张象牙炭色的则为CU62，被标注有锈渍。非常引人注目的三张，对任何钟爱中国银行出版的藏家更是不容错过。

CHINA--REPUBLIC. Bank of China. 500 Yuan, 1942. P-99pp. Progressive Proofs. PMG Mixed Grades。3 pieces in lot. A trio of Back Proofs showing different stages of production for the 1942 Bank of China 500 Yuan. One green colored uniface in 64Q, one black colored in CU64, and the third a charcoal uniface in CU62 Net with a comment of Rust. A pleasing trio, particularly fitting for any collection focused on the bank。