J. Thibouville-Lamy finest pernambuco cello bow, Joseph Alfred Lamy design, pernambuco aged 20 years. Fully silver mounted with fine Burmese ebony frog with eye. '925' silver. Striped lapping. Three-part silver/ebony/silver button with eye. Premium stallion horsehair. Weight approximately 82g. Each blank is first tested for resonance and elasticity using a Lucchi Meter, with only blanks achieving a rating above 5300 making the necessary grade. This grading process ensures that only the very finest sticks are selected for the very finest bows.