Help for a felpost # in a WH helmet

[solo]

Hi to all ,due i don't speak german ,could someone do a research in german archive of this nomber and name founded in a M35 WH helmet named to a pioniere?
Many thanks for your help
All the best
Carlo

[Gerdan]

Sice Sep 1943 the Festungs-Bau-Bataillon 9 or later the Festungs-pionier-Bau-Bataillon 9, the 4. (Park) Kompanie, had the Feldpostnummer 05668.
The number was cancelled in June 1944.

Gerdan

[solo]

Thanks Gerdan for your help ,Pio. is for pioniere but Schimdt. is the abbreviation of the name?????
Thanks again
Carlo

[Gerdan]

"Schmidt" is one of the most common family names in Germany - no abbreviation

Gerdan