1930's ppk - whatzit

:confused:1930's Walther PPK 7.65 'N' I'm trying to locate info on a Walther. Description follows= suspect 1930's model, and is a PPK 7.65 ACP.. small 'N' & symbol stamped on ejection side of slid action.- There is lots of deep pitting BUT it appears to read ... "Waffenfrabrik Walther...