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semipostal
1928, Sep 15 1928 Orval issue unwmk p. 11.5
| X | 25c+5c | dkvio & gld | ogive arches |
1936, Dec 1 anti-tuberculosis 1936 issue (no perf info)
| - | 25c+5c | vio | Prince Baudouin |
1937, Apr 15 Public Utility Works fund issue
| - | 25c+5c | ol | Queen Astrid & Prince Baudouin |
1937, Dec 1 anti-tuberculosis 1937 issue
| - | 25c+5c | brn | Princess Josephine-Charlotte |
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