ERFURT double date
 

I'll post this thread also here, maybe I'll be luckier.

Last month while surfing the Net I found this double-date ERFURT bearing a letter "E" stamped near the double date, that's something I'd never seen before, I wonder if it has anything to do with the funny marked 1920, probably to my unexpert eye.
I wonder if some of the real experts here could give me some enlightenment about it.

Well, looking at this again, I'm not at all sure the "E" is an "E", maybe a "B".

Perhaps poorly struck on the curved surface to begin with, and then the loops lost due to polishing.
Note how the center of the "8" has been lost.

I don't suppose there is a picture of the receiver from the right side, kind of hard to look around the corner. ;)

No unfortunately not, those are the two best shot.

I knew I'd seen one marked with "E" somewhere:
https://simpsonltd.com/erfurt-luger-...te-1920e-1914/

Pictures are not good of the marking, but it looks very similar to the one you noted.
So there are at least two with the 1920 "E" property stamping.

I tried to copy the pictures but cannot, they only copy as a web page.

Maybe someone else with more computer skill can copy one.

Still no Idea of the meaning.

Here it is. I have done about all I can to make the E visible