Large Urn of Porphyry with its Lid, found in the Mausoleum of St. Helen, transported by Pope Anastatius IV for his burial, and now in the Cloister of St. John Letran where it can now be seen...,  from Le Antichità Romane (Roman Antiquities), tome 3, tavola 19
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 3/4 x 23 5/8 in. (40 x 60 cm)
Classification: Prints
Credit line: Rogers Fund, transferred from the Library
Accession year: 1941