3rd Reich NSDAP Reichsparteitag 1938

In a good but used condition a Reichsparteitag 1938 badge It is made from layered zink and alluminium. Frontside: Two men holding the NSDAP flag and broken chain on an elevation under the eagle with swastika. Around the figures the date 1938 and Reichsparteitag. Mildly aged because of usage, no rust! Backside: Safetypin attached and maker marked Adolf Besson from Gmünd