RDK (Reichsbund der Kinderreichen) Members Badge (Abzeichen für Familienwart). The RDK was the Reich's Union of Large Families, an organisation promoting large Aryan families. This is a nice black & red coloured enamelled badge (25mm diameter) in good condition, showing some normal wear and scratches. Nicely marked with 'Ges.Gesch.' and manufacturer's logo of the company of 'Steinhauer & Lück' on the back. It comes on its original and functional pin/catch construction. Example in good used condition!