The dog tag or 'Erkennungsmarke' shows overall signs of wear. It belonged to a soldier who served in the 4.Batterie Leichte Flak Ersatz Abteilung 881. The abteilung was formed in August 1942 with 4 batteries. It was stationed in Dorsten, Germany. In April 1943 the 4.Batterie became le.Flak-Bttr.zbV 3801. and a new 4.Batterie was formed in June 1943.