Strange proof mark on a PPK

[alanint]

Originally Posted by postino

The Hanover police issue is interesting...The PPK was offered here in both 32ACP and 380ACP...Both rather small calibers for police carry, I would think...

Police and concealed sidearms in Europe prior to WW2 had always been of punny caliber. People were also much smaller and a lot less healthy back then, as well, so I'm guessing that these calibers were deemed sufficient, based on results.