Grundmann / Professional – inexpensive

After J. F. Grundmann, price from 1,700 USD, 430 or 440 Hz, variety woods.

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Grundmann / African blackwood

After J. F. Grundmann, 430 Hz, variety woods.

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Grundmann / Limited edition

After J. F. Grundmann, 3,000 USD, 430 Hz, variety woods.

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