Stamps of China - Sinkiang, bl color
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postage
1921 ovpted on stamp of China unwmk (no perf info)
| X | 10c | bl | ovpt | — | — |
1923, Nov 1 1923 issue
| - | 10c | bl | — | — |
1924 ovpted on stamp of China
| - | 10c | bl | ovpt, junk | — | — |
1924 ovpted on stamp of China
| - | 15c | bl | ovpt, harvesting rice | — | — |
airmail
1942, Nov 30 1942 air a issue
| - | 60c | bl | — | — |
1 to 5 of 5