Object lessons: from Pissarro's rare colour print to Avedon's slaughterhouse worker

Camille Pissarro, Les Baigneuses gardeuses doies (around 1895)
Old Master Through Modern Prints, Swann, New York, 3 November
Estimate $15,000-$20,0000A consummate colourist in his paintings, Camille Pissarro was perpetually frustrated by the limitations of colour in printmaking. His son recalled that he frankly hated printingla poupe, when numerous colours are printed on the same plate at the same time. Instead, he preferred to use each colour on a different plate, one after the other. Inevitab