3rd Reich RKB Reichskolonialtagung Wien 1939

In a very good condition a Empire Colonial League Vienna 1939 badge Frontside: Reichskolonialtagung Wien 16.-18. Mai 1939. Emblem of the RKB in front of the sun and with a large eagle holding the colonies with its claws in African continent below. The former colonies have been marked with vertical lines. Backside: Safety pin. No maker markings.