Luftwaffe Flak Troops "I.D." Disk

Disk is made of grey zinc metal and is about 2-3/4 inches long and about 2 inches wide. Marked on both half “S.Hei. FL. Battr. 202/VII with B 88 also looks like it has owners name in ink. Overall very nice with some age to the zinc. Exc. + $85.00