NSDAP member badge marked M 1/6 RZM

NSDAP Mitgliedabzeichen - NSDAP member badge marked M 1/6 RZM, the enamel is in good condition, but the pin was broken and then repaired. Now the pin is in closed position and it's impossible to open it, because if you try to do that you will brake it again.  Sell as is.