Viola
This baroque bow from around 1720 has a French origin and weighs 62g.
This is an Italian bow with clip-in-frog from around 1700.
And this is the same bow as above, but with a screw-mechanism.
This is a copy of a classical bow by Dodd, around 1770. The weight is 60g.
A bow by John Kew Dodd, around 1800. The weight is 62g.