Several thousand earlier than yours and it has one of the Standschutzen Verband Tirol-Vorarlberg qualification stickers on the underside of the grip. The butt-plate is numbered 11.
These as we know fall into a small serial range or maybe two separate even smaller serial ranges. There was a bogus police marked gustloff sold on g.b. earlier this year. I have photos saved somewhere. I'll post them later..