Anyone know this maker?

[regiment739]

Hi guys, does anyone know who the maker is of this Heer buckle,the mark is SRM, I have never heard of them

[regiment739]

Front

[KC1]

Ben,

First for me seeing this stamp. Only one that I can think of is possibly Stefan Merkl???

Dan

[regiment739]

Thanks Dan, I have looked in all my Ref books and they give no clue, I think it may be an early maker who maybe merged into one of the bigger companies?