Hauptmann shoulder boards for tank repair/restoration unit in Wehrmacht, Instandsetzung

Hauptmann shoulder boards for tank repair/restoration unit in Wehrmacht, Instandsetzung. Very rare pair of boards with metal insignia "J" for Instandsetzung (repair / restoration in german). Slip-on type. Hard worn example, but with no damage. Very nice set to complete your tunic or collection of the shoulder boards. Fully untouched ww2 period complete set of boards.