Find knopf violin bow and Other Classical Music!

$13,500.00 A very fine German violin bow made by Heinrich Knopf ca.1865	$10,500.00 A fine certified German violin bow by Knopf,Tourte copy, 1870
$15,000.00 A fine German violin bow by Karl Wilhelm Knopf, 1850.	$8,500.00 A fine certified German violin bow by C.W.Knopf, 1835.