Souvenir sheet issue "PRAGA 1938" with handstamp overprints "we are free! Plus swastika", centric cancellation with "Liberec day the liberation 10.10.38" and full mint never hinged original gum, very fine, edition 300 examples, expertized Dr. Dub and photo expertize Robert Brunel VP (2022) "the condition is perfect. ", Michel 3.000.-