I am researching a DWM artillery model P08

[spangy]

Originally Posted by Mac Cat

It's the suffix that I'm pondering. My best guess is a "t", but it's so strange looking.

I agree Mac Cat ... looks like a definite 't' to me as well ... would love a full on pic of the barrel serial number to confirm the 't'.
It's interesting that the suffix appears to have a pronounced halo while the actual serial numbers have faint or non-existent halo's ... still love it though Don