This viola is labeled Helmuth Keller & Sons, Philadelphia, c.1988. Helmuth Keller is from one of the famed Philadelphia families of violin makers. Son-in-law of Martin Nebel – who worked for Wurlitzer in New York and then opened his own shop in Philadelphia – Keller came to Philadelphia from Germany after the Second World War to work for William Moennig & Son. In the early 1960s, he opened his own business which continues under his son, Stephen Keller.
This viola is available for trial via shipping or in our showroom.
Additional Specifications
| Availability | sold |
| Maker | Helmuth A. Keller |
| Country | United States |
| City | Philadelphia |
| Year | 1988 |
| Body Length | 420mm |
| Upper Bout | 207mm |
| Middle Bout | 144mm |
| Lower Bout | 247mm |
