Giuseppe Porta, called Salviati The Fall of the Children of Niobe. Pen and brown ink and wash with extensive white heightening on blue laid paper. 268 x 190mm 10.625 x 7.5in Ex-collection Heinrich WilhelmCampe Lugt 1391 lower center recto See Yvonne

Giuseppe Porta, called Salviati The Fall of the Children of Niobe. Pen and brown ink and wash with extensive white heightening on blue laid paper. 268 x 190mm 10.625 x 7.5in Ex-collection Heinrich WilhelmCampe Lugt 1391 lower center recto See Yvonne Tan Buzl Old Master Drawings and Prints 1970 and McTavish Giuseppe Porta called Giuseppe Salviati New York and London 1981 fig 215