Giovanni Benedetto Castiglione, ‘The Madonna and Child’, 1650/1655, National Gallery of Art, Washington, D.C.
plate (cut within platemark at top): 43.4 x 31.1 cm (17 1/16 x 12 1/4 in.)  sheet: 43.6 x 31500 cm (17 3/16 x 12401 9/16 in.)

About Giovanni Benedetto Castiglione