Original NSDAP Membership Badge – Marked RZM M1/78 – Paulmann & Crone Lüdenscheid

Original German NSDAP membership badge made of metal.
The reverse features a clearly visible, embossed RZM control code within a circle and the numerical marking M1/78.
The badge is equipped with a classic horizontal safety pin mounted on a circular base, which remains fully functional.
The reverse surface exhibits a natural patina and minor signs of oxidation, confirming the item's historical authenticity.
This badge is a textbook example of official insignia issued to party members between 1933 and 1945.
The RZM coding system was implemented to standardize and monitor the quality of uniforms and insignia for National Socialist organizations.
The code M1/78 was assigned to the prominent firm Paulmann & Crone of Lüdenscheid.
Products from this manufacturer are highly sought after by collectors due to their production quality and scarcity.