Which jaw harp is best for a beginner?

Round brass big

Round brass big
Nepalese Murchungas /
Oberton Pro Lab measurements:
Reed hardness: 170 gf (?)
Overall dimensions: 130x40x7 mm (?)
Archived model (?)
Large - 13 cm long - murcunga of brass sounding left not far from simple smaller models. It differs from them by the reduced frequency of sound.