Giambattista Piranesi (1720-1778) Veduta dell' Esterno della gran Basilica di S. Pietro in Vaticano (The Basilica of St. Peter from the outside). 1748. Etching and burin. 602 x 398 mm, the sheet: 770 x 540 mm. Hind 5 (v/vii). Very fine proof on strong laid paper, the price erased, before number 7. Folio number 8 in pen and sepia ink in the upper right corner. Vertical median fold. Some foxing, including a more prominent one in the left sky. Left edge irregular, ragged, with small binding miter holes and missing. Large margins. 1st Parisian edition.