Stamps of Mesopotamia, 2a denom
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postage
1917 1917a issue ovpted on stamp of Turkey (no wmk info) (no perf info)
| - | 2a | on 1pi (84) |
1917 1917b issue ovpted on stamps of Turkey
| - | 2a | bl | on 1pi-bl (18) | |||
| - | 2a on 1pi | ultra | tughra, w. unwmk |
1917 1917d issue ovpted on stamps of Turkey
| - | 2a on 1pi | ultra | post office, Constantinople, w. unwmk, p. 12 | |||
| - | 2a | on 1pi-b (0), b |
1917 1917f issue ovpted on stamps of Turkey
| - | 2a | on 1pi-aaa (0), aaa | ||||
| - | 2a | on 1pi-b (0), b |
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