Custodi Nos Dormientes (The Guardian Angel), Jacopo de' Barbari, circa 1509

Date: circa 1509. Dimensions: sheet (trimmed to plate mark): 22.5 x 15.9 cm (8 7/8 x 6 1/4 in.). Medium: engraving. Collection: National Gallery of Art. Jacopo de' Barbari, Custodi Nos Dormientes (The Guardian Angel), c. 1509, NGA 4160