20 H. National coat of arms and 10 H. From souvenir sheet 2, each with inverted hand stamp overprint "we are free! Plus swastika", together on faultless blank cover used "Liberec day the liberation 10.10.38 Heil Hitler", photo expertize Brunel VP (2020) "the condition is perfect. ", Michel 500.- for number 13 K and Michel 400.- for number 78 K