Artwork
Interior of St. Peter’s, with the Illumination of the Cross of St. Peter

Interior of St. Peter’s, with the Illumination of the Cross of St. Peter is an ink print by the Romanticist artist Francesco Piranesi. It dates from 1787 and is held in the collection of the National Gallery of Art.
About this work
Overview
Francesco Piranesi’s 1787 etching, Interior of St. Peter’s, with the Illumination of the Cross of St. Peter, depicts the vaulted interior of the basilica on laid paper. The composition is rendered in monochrome, emphasizing the architectural grandeur of the nave, its rows of columns, and the soaring dome that frames a luminous crucifix suspended from the ceiling.
Subject & Meaning
The print captures a moment of collective reverence as a multitude of figures looks upward toward the illuminated cross, symbolizing the spiritual focus of the space. By highlighting the light source, Piranesi underscores the theological significance of the crucifix as a beacon within the sacred architecture.
Technique & Style
Executed with fine etching lines, the artist employs cross‑hatching and tonal gradations to convey depth and the play of shadow across stone surfaces. The careful modulation of darkness creates a dramatic chiaroscuro effect, guiding the viewer’s eye toward the central illuminated element while preserving the intricate detailing of columns and arches.
History & Provenance
Created toward the end of Piranesi’s career, the work reflects his long‑standing interest in monumental architecture. The print was issued in 1787, shortly before the artist’s death, and has since been held in several European collections, illustrating the continued appreciation of his architectural studies.
Artist & collection














