Letter opener / paper knife, made in Germany?

Made in Germany? Letter Opener / Paper Knife
☆ Approximately 18cm in total length, 60g in weight
☆ Made entirely of metal, but the type of metal is unknown
?The blade part is strongly magnetic.
?The handle part (musical notes and sheet music) is barely magnetic (only slightly attracts).
?No rust or tarnish.
* Based on the label on the back of the box, it is believed to be made in Germany.
(29.90 Euros)
* This was purchased by a family member on an overseas trip. It was apparently never used, just admired for a while before being stored in its box.