I've been looking for an example like this for a long time, and finally managed to get one !!!
This one closes my (leather Y's) collection nicely as I got one from every year now (1939 u/i 1945)
and the marking of course
now I only got to figure out who RME was.....
btw, this is one of the exception maker marks which don't have small letters but capitals
The maker also produced k98 pouches (RME 44 and 45) , belts, and K43 pouches of which I also have one
hope you like it as much as I do