KATAPULTOVÁ A ZEPPELINOVÁ POŠTA ČESKOSLOVENSKA 1929-1939

Classification

Territory

Czechoslovakia I (1918-39)

Subject

Air transport (incl. aerophilately) Airmail Airmail postmarks Airmail stamps and stationery and their postal use Postal rates and methods of franking (incl. inflation, currency reforms etc.) Ship mail

Time period

Interwar period

Exhibition class

Standard-size exhibits (approx. 80 or 128 sheets)