Thanks a lot. Those answers came quickly
Amazing that they went through the trouble. So it was common before, during and after WWI I presume? What about the 1933-1945 period? This is the period that I mostly deal with. Would a byf42 have a serialed holster?
A related question: Do you know any homepages where P08 holsters are explained, production, markings, colour, types etc.?