Czech Republic Finals of the 57th National Youth Philatelic Competition "from the Union of Lublin to the European Union" (Finał 57. Ogólnopolskiego Młodzieżowego Konkursu Filatelistycznego od Unii Lubelskiej do Unii Europejskiej) |
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Heraldic symbols of the Polish–Lithuanian Commonwealth: Polish coat of arms with a white eagle and the Lithuanian coat of arms "Pahonia" (rider on horseback)
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