The Slovak part of Czechoslovakia declared itself independent on March 14, 1939 and immediately signed a guarantee with Germany guaranteeing Slovakian independence, in effect making Slovakia a "protectorate". With the occupation of the Slovakian territory by Soviet troops in the summer of 1944, the Czechoslovak administration was restored.
Michel 81 to 84 "Buildings"
Issued 20th May to 28th Jun 1941. Printed Perf L12½ on sheets (20x10). These stamp depict famous buildings.