Jew's harp Jakut from Russia.
Not only beautiful to look at, but also a successful and lively Jew's harp to play.
Gaps: 10-20 µm
Fundamental frequency: 65-80 Hz
Tongue hardness: 90-100 gf
Frame hardness: 250-300 gf
Tongue size: 80 × 10 mm
Overall dimensions: 100x30x4 mm
Weight: 40 g