SA Stickpin

[Frederic H]

Hi ,
I just get this SA stick pin and was hoping I could get some opinions , the pin is marked RZM M1/101 Gustav Brehmer,
Any help would be appreciated.
Thank You

Tristan 302.jpg

Tristan 303.jpg

[Frederic H]

[ATTACH]2147782[/ATTACH]

[ATTACH]2147783[/ATTACH]

[Frederic H]

Any opinion ?