Sorry to bring bad news, but a Wasserschutzpolizei visor should not have carmine pipings. The interior label is a fantasy piece inspired by labels found in political items. (Police uniform items did not fall under RZM control. Also, notice that the fakers didn't even manage to spell Polizei-Dienstmütze right.)
I'm afraid this is a fire brigade cap (whether from the Third Reich era or post-war, I cannot tell) with insignia that don't belong there.
Thanks for that, at least i know
The label is a big joke! Wasserschutz did not wear such pipings.
Their caps did not have a colored piping at all, just the regular
"Wir sollen auch unser Leben für die Brüder lassen" (1.Joh.3.16):
zum Gedächtnis Wilhelm Schenk. Er starb fürs Vaterland am 13. Juni 1916
Is this a original Fire Police visor that has been messed with or is everything bad?