What is this item?

[Christen]

The item are magnetic

[Funksammler]

It is the casing for a FF33 ring tone generator.

regards,

Funksammler

[Christen]

Item

Thank you for the information!

[csmagdo]

The casing is the magnet itself, you can also see the "N" for Nord (North) direction marking on it. Maker is one of the most known ones, Friedrich Reiner (München), and there a nice WaA376 stamp on it (with the Swastika eagle), so it was marked during 1938+