Information regarding event cancellation from Event cancellation from PRAHA 82 (*1921)

Postal office:	PRAHA 82 (*1921)
Cancellation color:	BLUE
Text on the stamp (first upper line):	PRAHA 82 LETIŠTĚ ** a
Text on the stamp (second upper line):
Text on the stamp (first lower line):
Text on the stamp (second lower line):	ARMÁDNÍ LETECKÝ DEN
Text translation:	ARMY AVIATION DAY
Comment:
Offical period of usage:	1936-06-07

Dates the stamp is used
1936-06-07	Letter Cutting

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