Help identifying a German open comb safety razor

[Insulinde]

Hello everyone,

I've had this razor for quite some time, but I've never been able to accurately identify it. It looks similar to a modern Merkur 1904, but I know this specific razor isn't newly made, as it came with a collection of old shaving supplies that the previous owners had found in their attic. The cap is marked 'Made in Germany', no other markings--brand nor model-- are present.

I sincerely hope someone could help me out.

Cheers,
Insulinde

 

[mr_eleven]

I could be wrong but I think it was made by Merkur. They had a few models names for it based on if it was a straight bar or open comb etc.