it's a perfect "behind the ear" type of pistol.
Usually small stuff like 7,65mm or 9x17 were carried by higher ranking officials, but not always. For example, Micheal Whitmann carried J.P. Sauer 7,65mm auto.
Suitcases of Walthers in 7,65mm were used "behind the head" by NKVD at Katyn in Belorussia. They originally came from occupation of Baltic State either Latvia or Estonia ie form spoils of the Ribbentrop-Molotov Agreement.
