It's going to be hard to definitively identify the badge because of the glare in the picture... I'd say it's too big to be a wound badge. Perhaps a sports badge?
Perhaps it is a General Assault Badge?
I think Glen may just have nailed it. Location and size appear spot on.
Currently working on several KZ related projects, including items for the USHMM, Groß-Rosen Museum and various private concerns and studies. Available as a guide to KZ sites, contact for details.
"maka akaŋl oyate maŋi pi ki le, tuweŋi wíyópeya oki hi sni"
Good call Glenn
"In all my years as a soldier, I have never seen men fight so hard." - SS Obergruppenfuhrer Wilhelm Bittrich - Arnhem