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1865 Kingdom of Poland, pair of rare 30 kop. stamps with unique red postmark
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1919 Cracow issue, money order with spectacular franking
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1928 Henryk Sienkiewicz, pairs separated by an empty label
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1946 2nd Polish Corps mail, uncut sheet of block proofs
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1953 Palace of Culture, very rare stamp in purple red
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1919 Cracow issue, rare stationery with the Emperor Franz Josef |