Right. It's quite fascinating to find Soviet pieces being used in the West, from hand grenades to 7.62cm Pak 39(r) to 8.5/8.8cm FlaK M39(r), let alone various WWI-era weapons.
Somewhere in Northern France, Autumn 1944.
Spoiler
Trivia-bit: Wehrmacht still possessed 145 Pak 97/38 and FK 231(f) on 1 March 1945.