"It appears that the corners and rib mitres have been modified because the mitres are blunted and rounded rather than sharp as typically seen in Cremones violins of this period. Unusually, the 'Vinegra, Wallace' does not have visible pins to the extremeties of the back and has maple purfling, yet these features are evident in other examples."
Cremona 1730-1750: the Olympus of Violin Making, Christopher Reuning, editor, Cremona 1730-1750: the Olympus of Violin Making, Cremona
"Count Cozio di Salabue described a 1736 violin in his collection with a two-piece back and red varnish. He remarks that he had the chin of the head altered because it was too extended. Interestingly, this violin has a different, slightly squarer shape to the chin together with blunted corners: with this evidence, it is tempteing to imagine the 'Vinegra, Wallace' as Cozio's violin from 1736."
Carlo Bergonzi: A Cremonese Master Unveiled, Christopher Reuning, editor, Carlo Bergonzi: A Cremonese Master Unveiled (supplement to The Strad, June, 2010), Cremona