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): I.MEZINÁRODNÍ SJEZD OBCHODNÍKŮ
Text on the stamp (second upper line): POŠT.ZNÁMKAMI
Text on the stamp (first lower line): Č.S.P.
Text on the stamp (second lower line): PRAHA 1 **
Text translation: I. INTERNATIONAL CONGRESS OF TRADERS OF POSTAGE STAMPS
Comment:
Offical period of usage: 1922-09-02,1922-09-22,1922-10-31
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