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06. 04. 2023
Expert Events
04. 05. 2023
Lecture (KF 00-15): How time passed with the Association of Czech (Czechoslovakian) Philatelists
Lecture witin the regular cycle of lectures organized by the KF 00-15 Club of collectors of specialized areas in Prague (Czech Republic).01. 06. 2023
Lecture (KF 00-15): Production of postal valuables and protective elements
Lecture witin the regular cycle of lectures organized by the KF 00-15 Club of collectors of specialized areas in Prague (Czech Republic).New postage stamps and other materials
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