Two column bases [S. Paolo fuori le Mura; Baptistry of Constantine], from Della Magnificenza e d'Architettura de'Romani (On the Grandeur and the Architecture of the Romans by Gio. Battista Piranesi, Fellow of the Royal Society of Antiquaries of London), tab. 9

Two column bases [S. Paolo fuori le Mura; Baptistry of Constantine], from Della Magnificenza e d'Architettura de'Romani (On the Grandeur and the Architecture of the Romans by Gio. Battista Piranesi, Fellow of the Royal Society of Antiquaries of London), tab. 9 — Giovanni Battista Piranesi. 1761.

Medium: Etching. Dimensions: sheet: 21 5/8 x 15 3/4 in. (55 x 40 cm) plate: 18 5/16 x 10 7/8 in. (46.5 x 27.7 cm).

Collection record: The Metropolitan Museum of Art, New York. Museum connection according to this source; current display unverified.

Credit line: Rogers Fund, transferred from the Library.

This is a museum catalogue record, not a current-display assertion.

Source: official collection record. Metadata selected and normalized by Artline from the source export, accessed 10 September 2026; no museum endorsement. Reproduction rights are separate.