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semipostal
1937, Jan 2 1937 semi issue unwmk p. 13.5
| - | 50+50s | viobrn | arms Viljandi |
1938, Jan 21 1938 semi issue (no wmk info) (no perf info)
| - | 50+50s | blk & yel |
1939, Jan 10 1939 semi issue
| - | 50+50s | brn |
1940, Jan 2 1940 semi issue
| - | 50+50s | yel & bl |
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