Information regarding event cancellation from Event cancellation from PRAHA 7

Postal office:	PRAHA 7
Cancellation color:	BLACK
Text on the stamp (first upper line):	PRAHA 7 LETECKÁ POŠTA **
Text on the stamp (second upper line):
Text on the stamp (first lower line):	14.IX.37
Text on the stamp (second lower line):	SMUTEK ČESKOSLOVENSKA
Text translation:	SADNESS ČESKOSLOVENSKA
Comment:
Offical period of usage:	1937-09-16/1937-10-26

Dates the stamp is used
1937-09-22	Letter
1937-10-01	Letter
1937-10-21	Cutting
1937-10-26	Letter

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