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): CONFÉRENCE AÉROPOSTALE 1931
Text translation: AEROSPACE CONFERENCE 1931
Comment:
Offical period of usage: 1931-06-04/1931-06-20
Dates the stamp is used
1931-06-10 Cutting
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