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POLONUS 578 - March 2020

Bulletin of the Polish Philatelic Society; Benicia, CA, 2020

Schlagworte: Polen

Artikel/Beiträge

Article
Edwin J. Andrews : An Updated Analysis of Poland General Duty Revenue Tax Rates and Effects of Hyperinflation, 1920 - 1924
in: POLONUS 578 - March 2020 Bulletin of the Polish Philatelic Society Benicia, CA 2020

# Polen # Fiskalmarken / Stempelmarken # Inflation

Article
Jerzy W. Kupiec-Weglinski : Polish Mail Flown by Zeppelin Airships
in: POLONUS 578 - March 2020 Bulletin of the Polish Philatelic Society Benicia, CA 2020

# Polen # Zeppelin