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Violin bow around 1730, clipping frog.

Basel Museum.

Weight: 55 gr.

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English violin bow around 1720, clipping frog.

Ashmolean Museun Oxford.

Weight: 52 gr.

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Italian violin bow end XVII century.

Weight: 50 gr.

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French violin bow model Tourte Pere middle  XVIII century.

Weight: 51 gr.

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Italian violin sonata bow, end  XVII century.

Weight: 48 to 50 gr.