Which jews harp is best for a beginner?

A mahogany case for a large komuz K-M

A mahogany case for a large komuz K-M
Cases for Altay komuses /
Oberton Pro Lab measurements:
Overall dimensions: 90x25x25 mm (?)
Archived model (?)
A mahogany case with a matte wax coating (more durable than shiny varnish) for large Kazantsev-Minakov komuses or similar in shape jaw harps (frame length up to 75 mm, ring width up to 29 mm) with a valve.