BY H. R. KNOPF
Details
a silver-mounted violin bow
By H. R. Knopf
The round stick stamped 'H.R.KNOPF.NEW YORK', the ebony frog with pearl eye, the ebony and silver adjuster with pearl eye, weight 62 grams
By H. R. Knopf
The round stick stamped 'H.R.KNOPF.NEW YORK', the ebony frog with pearl eye, the ebony and silver adjuster with pearl eye, weight 62 grams