Stamps of China - Sinkiang, och&blk color
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postage
1915 ovpted on stamp of China London print unwmk (no perf info)
| - | $1 | och & blk | ovpt, Hall of Classics gateway | — | — |
1916 1916 issue ovpted on stamp of China Peking print
| - | $1 | och & blk | ovpt, Hall of Classics gateway | — | — |
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