WW2 German Wehrmacht Erkennungsmarke / ID Tag with US photo STAB 1. Art Regiment 697

WW2 German Erkennungsmarke / ID Tag with US photo. Original WW2 German Wehrmacht Erkennungsmarke/ID tag made from aluminium from an Member of the STAB 1. Artillery Regiment 697. Found together with an german studio photo from an US Officer together with his wife so most probably his piece of war-booty!