DWM 1921 markings on the grip frame front Unit markings? Any way to find out what they mean?
https://www.milsurps.com/images/impo...IMG_0478-1.jpg
Few other pic
https://www.milsurps.com/images/impo...IMG_0483-1.jpg
https://www.milsurps.com/images/impo...IMG_0476-1.jpg