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 ** b
Text on the stamp (second upper line):	Č.S.P.
Text on the stamp (first lower line):
Text on the stamp (second lower line):	XIII.UNIV.KONGRESO DE ESPERANTO
Text translation:	XIII.UNIV.CONGRESS OF ESPERANTO
Comment:
Offical period of usage:	1921-07-31

Go to the postal office