Name this Zither ?

[Cdhinch]

I am a musician and recieved this zither from my wife. Not sure of maker or tuning. Any help appreciated.

[Rudy Mueller]

Unusual 6 string griffbrett, which has pegs not a "machine". This instrument appears to be very old, yet in apparent good shape, may be quite collectable, and needs professional appraisal.

What is the emblem on the top right?

rudi

[Rudy Mueller]

The red "f" seems to be the fourth string in the accompaniment section. The first accompaniment string may b a flat/g sharp, again speaking to age.

[Rudy Mueller]

Tuning pegs appear quite "shiny". Has this instrument been recently restored?

rudi