Scenes from the story of Niobe, after Polidoro da Caravaggio

Italian School, 16th Century Scenes from the story of Niobe, after Polidoro da Caravaggio black chalk, pen and brown ink, brown wash, heightened with white (recto), red chalk (verso) (i) 8¼ x 12¼ in. (21 x 31 cm.); (ii) 8 3/8 x 8 3/8 (21.2 x 21.2 cm.) 2 (2)