This stamp with the overprint in blue color is a valuable addition to any stamp collection. It was produced in Slovakia in 1939 during the Slovenský Štát era. The stamp has been certified by Synek and is in mint hinged condition with a VF/XF grade. The stamp's place of origin and country/region of manufacture is Slovakia, making it a great addition for collectors interested in Slovakia and Europe. Its quality is highly regarded, and it will make a great addition to any collection. Don't miss out on the opportunity to own this rare and valuable piece.