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postage
1956, Apr 3 1956 provisional issue unwmk (no perf info)
| - | 20F | balloon | — | — | ||
| - | 20F | airship Graf Zeppelin | — | — |
airmail
1949, Mar 5 Prince Albert I 100th issue
| - | 20F | brncar | Proclamation of the Constitution 1911 |
postage due
1946, May 20 1946 due issue
| - | 20F | blgrn |
1953, Jun 29 1953 due issue
| - | 20F | balloon | ||||
| - | 20F | airship Graf Zeppelin |
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