Speculating, but not really, but the presence of the crest on the stock oval indicates this was made for someone of the nobility. In German-speaking countries, one can swiftly find himself on the wrong end of a lawsuit if one tries falsely passing oneself off as being of the nobility. And that would extend to things like having a crest on one's gun.
Given the quality apparent in this gun, I think speculating the initial buyer was of the nobility and entitled to the crest is safe.
The presence of the crest would also make it seem more likely that the gun was made earlier in the 1912-23 time frame, rather than later, as touting one's noble status was, while not illegal, less favored post-WWI than pre.
All in all, though, it looks like a good buy and a better find.
