WB in silver award document Gren-Ersatz-Bat 512

Wound badge in silver award document + 2 pictures. WB in silver to Leutnant Der Reserve Günter Kossatz, Grenadier-Ersatz-Bataillon 512. Most likely award for fighting in the Ukraine. The document was vaulted a couple times, has two holes and shows staining. It was probably kept in the soldiers Wehrpass or Soldbuch giving it a salty appearance. Singed by the Battalion commander.