Red cross document "Deutsches Rotes Kreuz Suchdienst" for homecoming soldiers from POW camp. They were asked to give information about soldiers of their former unit that were still missing in action.
In this case 1958 enquiry for: Wilhelm Barnier born 1923
Unit fieldpost number 42973 = Regimentsstab u. Einheit Artillerie-Regiment 11 (11. SS-Freiwilligen-Panzergrenadier-Division Nordland)
Homecoming POW Horst Juhe from Solingen declares that Wilhelm was KIA March or April 1944 in Hermannsfeste Narwa and was probably buried in Petriplatz Narwa. He thinks that Wolfgang Herwig from Siegen could have more information.