Paulus violin frog, Sartory … Paulus violin frog, nickel-silver, finished with screw, Parisian eye Item No. B303 Manufacturer Paulus bowparts Paulus violin frog, silver, … Paulus violin frog, nickel-silver, finished with screw, Parisian eye × Paulus violin frog, nickel-silver, finished with screw, Parisian eye