Giambattista Piranesi (1720-1778 )Carceri. 1749-1760. etching. Each sheet : 625 x 900. Robison 29 to 44. Complete suite of 16 plates. Beautiful proofs on strong white vellum, from the first half of the 20th century. Binding holes along one edge. Occasionally heavy foxing, oxidation, dusting, various accidents (the edges of the leaves very brittle, with numerous tears and small tears, sometimes formerly summarily consolidated by strips of paper glued), marginal moisture halos to some plates. Soiling and ink discharges on the reverse. Title plate lacking preservation, with consolidation paper strip along lower margin, bearing the dry stamp of the Regia Calcografia di Roma (Lugt 2144, in use from 1870 to 1946). All margins.