This is a framed Giovanni Battista Piranesi (1720-1778) etching entitled "Orthographia utriusque lateris arcuum ductus Aquae Virginis a specu principe ad Hadriani thermas, effossorum prope aedem S. Ignatii", plate 30 from "Il Campo Marzio dell'Antica Roma" (The Campus Martius of Ancient Rome), published in Rome in 1762. It depicts the remains of Hadrian's ancient Roman aqueduct and Hadrian's Baths near the shrine of St. Ignatius. The etching is presented in a brown wood frame with a triple mat; the outer mat is ecru-colored silk, the middle mat is black and the inner mat is white. The print is in excellent condition.