Losnr. 4460 - 173.-176. Auktion
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Losnr. : 4460 Tschechoslowakei
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Covers/cards (9) all with different frankings, eight being cancelled by fine strikes of the Conference datestamp "Praha / Conference Aéropostale 1931". A fine and appealing group. Note: The Conference was held between June 8-18, 1931 to draw up a plan for a European airmail network to be submitted to administrations for study and discussion at the regular European Airmail Conference to be held in Brussels in 1938.Ausruf : 150 CHFZuschlag : nicht verkauft