View of the Remains of teh Mausoleum of St. Helen, mother of the Emperor Constantine, on the Via Labicana about a mile and a half outside the Porta Maggiore,  from Le Antichità Romane (Roman Antiquities), tome 3, tavola 18
Object type: Print
Department: Drawings and Prints
Portfolio: Le Antichità Romane, tome 3
Artist: Giovanni Battista Piranesi|Angelo Rotili
Artist bio: Italian, Mogliano Veneto 1720–1778 Rome| 
Artist role: Artist|Publisher
Artist nationality: Italian|Italian
Date: published 1756–57
Medium: Etching
Dimensions: sheet: 21 1/4 x 30 5/16 in. (54 x 77 cm)
plate: 15 15/16 x 23 13/16 in. (40.5 x 60.5 cm)
Classification: Prints
Credit line: Rogers Fund, transferred from the Library
Accession year: 1941