11.Kp./Inf.Rgt.189 EKM (81.Inf.-Div.)

The tag shows overall signs of wear. It belonged to a soldier who served in the 11.Kompanie Infanterie Regiment 189. This regiment was formed in December 1939 and was part of the 81.Infanterie-Division. It was equipped with captured Czech weapons. It saw its first combat during the invasion of France in Mai 1940. Between August 1940 and February 1941 the division and her units were on leave. 
In December 1941 the division and her units moved to Russia and were put into action. The division was split into 3 Kampfgruppe. Infanterie Regiment 186 together with the II.Abteilung Artillerie Regiment 181 were Kampfgruppe 1. This Kampfgruppe fought in the Dubno-Toropez and Welikije Luki area were it got destroyed in early 1942 and Infanterie Regiment 189 was disbanned. In October 1943 the regiment was reformed again as Grenadier Regiment 189. 
Quite a detailed and interesting (combat) report of Infanterie Regiment 189 can be found online.
The 'O' on both parts of the tag stands for the soldier's bloodtype. The tag comes with a talisman.