Stamps of France - French offices in China - Tchongking, 4c denom
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postage
1903 1903 issue ovpted on stamp of IndoChina unwmk (no perf info)
| - | 4c | cl, lav | ovpt |
1906 1906 issue ovpted on stamp of IndoChina
| - | 4c | cl | ovpt, France |
1908, May 1908 issue ovpted on stamp of IndoChina (no wmk info)
| - | 4c | dkbl & blk | on 1907-4c-dkbl&blk (0) |
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