Which jews harp is best for a beginner?

DR1218 "Kasyputirgan" Kubyz

DR1218 "Kasyputirgan" Kubyz
Rarities
Oberton Pro Lab measurements:
Gaps: 100-150 µm (?)
Base frequency: 65-105 Hz (?)
Reed hardness: 60-150 gf (?)
Frame hardness: 200 gf (?)
Reed size: 25-75x15-20 mm
Overall dimensions: 50-80x30x5 mm (?)
27 USD
Shipping: from 3 USD (more...)
Stock: No (when will be in stock?)
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Small jaw harp with buzzing, multi-layered, dirty sound and soft, trembling reed. Some kind of funny toy which can give lot of pleasure to casual twangers.