Marchese Giustiniani owned 13 works by Caravaggio, the largest held by a private collector. Upon his death, Giustiniani’s inventory describes the Cupid as ‘A picture of a laughing Cupid, who shows his contempt for the world, which lies at his feet in the guise of various instruments, crowns, sceptres, and armour, known, because of its fame, as the Cupid of Caravaggio’