Giovanni Battista Guadagnini, Parma, 1760, the 'Keller'

Violin: 42570

Labeled, "Joannes Baptista Guadagnini fecit Parmæ serviens C. S. R 1760."

Sold with a limited edition of "The Guadagnini Family of Violin Makers" by Ernest N. Doring, 1949. No. 409 of 1500.

Back: in two pieces of quarter cut maple with medium-width flame ascending from the center seam.

Top: in two pieces of spruce with narrow-width grain.

Scroll: of plainer maple.

Ribs: of similar wood matching the back.

Varnish: of a red orange-brown color.

Length of back: 35.4 cm

Upper bouts: 16.7 cm

Middle bouts: 11.4 cm

Lower bouts: 20.5 cm

There are 32 additional images in the archive which are not available publicly. Please contact us for more information.


- J. G. Hesketh
from 1923 Rudolph Wurlitzer Co.
until 1947 Harrison Keller
from 1947 Alfred Krips
until 2023 Anonymous
in 2023 Sold by Tarisio Private Sales
from 2023 Current owner

Certificates & Documents

  • Certificate: Tarisio, New York, NY (2023)
  • Dendrochronology report: Peter Ratcliff, London (2022) Dates the latest ring of the bass and treble side as 1749 and 1753, respectively. Printed report available for purchase upon request.
  • Certificate: Rudolph Wurlitzer Co., New York, NY (1947)
  • Certificate: Rudolph Wurlitzer Co., New York, NY (1936)

Cozio holds copies of many certificates and other documents, some of which are available to view on request. Please contact us if you wish to view a particular document. (Note that we do not always have permission to share documents.)


  • Private Archives - 10842
  • The Guadagnini Family of Violin Makers, Ernest N. Doring, William Lewis & Son, Chicago


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