3545790 Immaculate Conception, c.1730 (oil on canvas) by Costanzi, Placido (1702-59); 67x84.5 cm; J. Paul Getty Museum, Los Angeles, USA; (add.info.: Modello or presentation sketch for a fresco in a Roman church with the curving ribs of the apse. In Catholic doctrine, the Virgin Mary was already free from original sin, as described in the Book of Revelation by the crown of stars and her triumph over the cosmos. Saint Luke\'s scroll reads "Ecce Virgo" and Saint John the Evangelist looks from the right.).