Airmail stamps of Manchukuo
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airmail
1936 1936 airmail issue wmk. chars (no perf info)
| - | 18f | grn | airplane over sheep with shepherd | |||
| X | 19f | blgrn | airplane over sheep with shepherd (1937) | — | — | |
| - | 38f | bl | airplane over railroad bridge | |||
| X | 39f | dkbl | airplane over railroad bridge (1937) | — | — |
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