The Portico of the Pantheon, Giovanni Battista Piranesi, 1750s and early 1760s

Date: 1750s and early 1760s. Dimensions: Overall: 21 x 30 cm (8 1/4 x 11 13/16 in.); left section: 21.1 x 8.4 cm (8 5/16 x 3 5/16 in.); center section: 21 x 18.6 cm (8 1/4 x 7 5/16 in.); ; right section: 21 x 7.4 cm (8 1/4 x 2 15/16 in.). Medium: brown wash, paper, pen and dark brown ink, red chalk. Collection: National Gallery of Art. Giovanni Battista Piranesi, The Portico of the Pantheon, 1750s and early 1760s, NGA 75851