"On 1 Jan 1943, he was promoted to lieutenant colonel and was soon transferred to North Africa. There, while he was scouting out a new command area, his vehicle was strafed by British aircraft and was severely wounded, losing his left eye, his right hand, and the fourth and fifth fingers of his left hand." -
WW2DB: Claus von Stauffenberg
Looks like they got the hand right. Uniform, though, I'm not an expert either so I can't tell you if your hunch is correct...