拍品描述： 1923年工商银行正反面印刷底纹图案4对一组，共8枚，包括蓝色正面1元，深绿色正面5元及棕红色正面10元，背面均为黑白色，另外多一对正反面1元（有彩色底纹印刷），两面都是蓝色，均汉口地名，评PMG 58至65EPQ，非常罕见的组合。 Industrial and Commercial Bank, $1, $5 and $10, uniface obverse and reverse die proofs on card, Hankow, 1923, consisting of $1, $5 and $10 plate colour proofs in blue, deep green and red-brown, also an extra pair of $1 but with the multicolour vignette on the denomination,(Pick S383Ap, S383Bp and S383Cp), all PMG graded 58 to 65EPQ. A truly scarce offering (4 pairs)