I'm awaiting arrival of a Sager (rough clip, rough nib) from ebay - I'm really interested in filling systems.
I found (I think) the patent for this pen, which also has some cool images, so I figured I would share some ebay pics and some patent pics - once it arrives, I'll post some update pictures as well. (hmmm...these patent pics are a bit bigger than I expected. Sorry about that!)
The ebay pics:
The patent pics (patent US-2325550)