# of Strings:
F, Mirecourt ?
Vichy Enchères 6/5/03, lot 22 (viewed on line)
Vichy Enchères 6/5/03, lot 22 (online catalogue)
Vichy Enchères 6/5/03, lot 22 (F+B)
Vichy Enchères 2003/06/05, lot 22
Strung as violin in auction photos (with 4 fine tuners and chin rest). Probably branded on the button.