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| Start / | Collection / | Thematic Collections / | Flags / |
| Aland | Austria | Berlin | Council of Europe | Denmark | Estonia | G D R | Germany | Gibraltar | Great Britain | |
| Guernsey | Hungary | Iceland | Italy | Luxembourg | Norway | Saar | Spain | Ukraine | Yugoslavia | |
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Collection / Thematic Collections / |
01.07.1967 25th session of the Danube Commission |
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Foreign cover with registeration franked with 3 postage stamps 25th session of the Danube Commission |
Foreign cover with registeration franked with 4 postage stamps 25th session of the Danube Commission |
20.10.2006 50th anniversary |
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Hungary |
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