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 1 ** a
Text on the stamp (second upper line):
Text on the stamp (first lower line):
Text on the stamp (second lower line):	SLETOVÁ INFORMAČNÍ SLUŽBA
Text translation:
Comment:
Offical period of usage:	1938-03-01/1938-07-15

Dates the stamp is used
1938-03-01	Cutting
1938-03-04	Cutting
1938-07-04	Letter
1938-07-08	Cutting

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