The Illumination of the Cross in St Peter’s Basilica
Pen and ink and watercolour and gouache on paper, with paper additions
26 ⅞ × 18 ¼ inches · 682 × 466 mm
Verso: a pen and ink drawing of Mezentius Fatally Wounded by Aeneas
Watermark: Beehive with secondary mark ‘Zoonen’
Drawn c. 1783
Engraved:
Francesco Piranesi, outline etching, published 1787;
Francesco Piranesi, etching and engraving, titled Prospetto interiore del Tempio Vaticano… Dêspres del. Ca. Franco Piranesi inc.1787’.