Which jews harp is best for a beginner?

JN280 Munniharppy "Pyuhajarvi"

JN280 Munniharppy "Pyuhajarvi"
Finland Munniharppu
Oberton Pro Lab measurements:
Gaps: 150-250 µm (?)
Base frequency: 70-100 Hz (?)
Reed hardness: 80-130 gf (?)
Frame hardness: 500-900 gf (?)
Reed size: 65-80x15-25 mm
Overall dimensions: 90-120x35x5 mm (?)
Archived model (?)
Munniharppy are not distinguished by external brilliance and severity of forms; they are single piece instruments, whose authenticity is even more emphasized by unusual cases of birch bark. The nature of the sound corresponds to the image - this is, first and foremost, the embodiment of the old traditions of making a frame, without the use of modern tools. The tongue and, consequently, the acoustic properties has got a minimal attention - just to make a sound. Jews harps are quiet, deaf - for collectors of ethnic rarities.