Wonder if it was this guy ( use Google translate ). States he was a Captain in a Transportkompanie from 1941-1945 and died in 1965. http://de.wikipedia.org/wiki/Peter_Paul_Althaus
Lovely Horster, can we see a close up of the crossguard if you have one, from what I can see the fittings are pot metal, suggesting late war, what information do you have on his promotions etc?.

Lovely condition.