Thanks for the pictures. I have no idea what I'm looking at, but I certainly would like to know. Some observations:

- Simplex drop-outs, nicely brazed
- cheap-looking fork crown
- seat stay tops I've never seen before
- head tube lugs look paper-thin - are they lugs at all?
- tacked-on cable guides - mostly seen on French and Belgian bikes

I think we should call Detective Chief Inspector @juvela ...