Event cancellation from PRAHA 1


Information regarding event cancellation from Event cancellation from PRAHA 1
Postal office: PRAHA 1
Cancellation color: BLACK
Text on the stamp (first upper line): PRAHA **
Text on the stamp (second upper line):
Text on the stamp (first lower line):
Text on the stamp (second lower line): CONFERÉNCE RADIOÉLECTRIQUE EUROPÉENNE
Text translation: EUROPEAN RADIOELECTRIC CONFERENCE
Comment:
Offical period of usage: 1929-04-02/1929-04-15
Dates the stamp is used
1929-04-13 Cutting
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