Giovanni Girolamo Frezza after Alessandro Specchi (architect), ‘The Temple of Janus, for the "Chinea" Festival’, 1722, National Gallery of Art, Washington, D.C.
plate: 41.7 x 54.7 cm (16 7/16 x 21 9/16 in.)  sheet: 45.3 x 66 cm (17 13/16 x 26 in.)