拍品描述： 1905-18年美商花旗银行正反面样票拾圆一组两枚，绿色，背面松绿色，注:PMG 辨认这分别为 S408p 和 S420p，但更可能是未发行的样票，PMG分别评64 (有微墨迹) 及 40 (有渍) 。正面样票的颜色有别于PMG 所述的S408p 汉口版别，但设计与哈尔滨拾圆样票相同。背面样票是1905年拾圆的试色样票。稀有且特别的一组 。International Banking Corporation, China, obverse and reverse proof for $10, ND (1918/1905), obverse, green with brown/red/purple guilloche, reverse pine green,note PMG states these are S408p and S420p respectively, though it is more likely an unissued proof, PMG 64 (minor ink) and 40 (stains) respectively. With the obverse proof, the colour is different to the issued S408p Hankow type as stated by PMG. But design is the same as the unlisted Harbin $10 specimen. The reverse proof is a colour trial proof of the 1905 $10. Interesting pair of this scarce issue (2)

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