Event cancellation from PRAHA 1

Information regarding event cancellation from Event cancellation from PRAHA 1
Postal office:	PRAHA 1
Cancellation color:	GREEN
Text on the stamp (first upper line):	PRAHA 1 **
Text on the stamp (second upper line):
Text on the stamp (first lower line):
Text on the stamp (second lower line):	MEZINÁRODNÍ KONGRES VOLNÉ MYŠLENKY
Text translation:	INTERNATIONAL CONGRESS OF FREE IDEA
Comment:
Offical period of usage:	1936-04-12/1936-04-14

Dates the stamp is used
1936-04-12	Cutting

Go to the postal office

Background For The catalogue

The catalogue is based on The Monografie Československých Známek Volume 16, 1 + 2, and Volume 17, 1 + 2.

Die Sonderstempel der Tschechoslowakei von 1919 bis 1939, By Poul Kipp

Explanations

Image - Image of the Cancellation type.
Postal Office - Refers to the official name of the postal office.
Cancellation color - The offical cancellation type as defined in the monograph.
Text on stamp - The text on the stamp split by rows. Logo's are excluded in the description.
Text translation - English translation of the cancellation.
Official Period Of Usage - The officially registered period the stamp should have been used. Dates are in the format Year-Month-Date
Dates the stamp is used - Verified dates the cancellation have been used. Dates are in the format Year-Month-Date
Letter - The cancellation has been registered on a letter.
Cutting - The cancellation has been registered on a cutting.
Collectable - The cancellation has been registered on a collecable stamp.