Giambattista Piranesi (1720-1778) Avanzi d'un portico coperto... (Entrance to the villa known as "Sette Bassi"). 1766. Etching and burin. 605 x 422 mm, the sheet: 760 x 538 mm. Hind 79 (ii/iv). Very nice and fresh proof on strong laid paper, before number 66. Folio number 67 in pen and sepia ink in the upper right corner. Normal median vertical fold. Left edge irregular, slightly ragged, with small binding tab holes. Large margins. First Parisian edition.