[Fenix78]

Thanks for all info. It could be this one 42-52539, "Southern Gal".
Unfortunately I am a little confusion. I found Duckworth also in the crew which 13.09.1944 was over Oswiecim. Duckworth in this flight was co-pilot. Main pilot was a colonel Clark. So we have Duckworth in three different crew: In crew Colonel Lokker, in crew Colonel Clark and in crew 42-52539, "Southern Gal". Which was his own ? Sothern Gal ??