Which jaw harp is best for a beginner?

F708 “Dazhbog” Case

F708 “Dazhbog” Case
Cases for Russian vargans /
Oberton Pro Lab measurements:
Overall dimensions: 150x50x0-6 mm (?)
Archived model (?)
A case with a lid and a long lace for Glazyrin trapezoidal jaw harps - "Petrel", "Black", "Petrel hard" ("Alpha" is slightly wider in the middle part, but if desired you can undermine).