Third Reich Insignia Manufacturer Worker Identification Badge

The pin back, zinc alloy badge is approximately 1-1/2 inches in diameter and it identified an employee of the firm of Gebruder Bohler, a manufacturer of combat helmets for Austria Hungary in World War I, and a producer of Third Reich insignia that was assigned RZM code M1/110. The badge is maker marked on the reverse by Tweer & Turck of Ludenscheid. The badge shows some loss of paint as well as wear.