another feldpost number help plz

[nick]

Hello

Found a helmet with this feldpost number on it.
Can someone help me with that?

L20417


Thanks
Nick

[Eric JB]

Hello

Found a helmet with this feldpost number on it.
Can someone help me with that?

L20417


Thanks
Nick

Hoi Nick,

Stab.Lw.Bau-Rgt.1/XVII till 14.09.1940
2.Battr.Res.Flak-Abtl.152 till 23.08.1943
2.Battr.gem.Flak-Abtl.152
21.04.1944 2.Battr.gem.Flak-Abtl.152 till 04.12.1944

ik hoop dat je er iets aan hebt.

groet
Eric-Jan Bakker