The Birth of Venus Dorotheus". Pliny also noted a second painting by Apelles of Venus "superior even to his earlier one," that had been begun by artist but left unfinished. The Roman images in various media showing the new-born Venus in a giant shell may well be crude derivative versions of these paintings. Botticelli could not have seen the frescos unearthed later in Pompeii, but may well have seen small versions of the motif in terracotta or engraved gems. The "House of Venus" in Pompeii has a life-size fresco of Venus lying in the shell, also seen in other works; in most other images
Sandro Botticelli in 1481 for Milan, the Pollaiolo brothers in 1484 for Rome, and Andrea Verrochio in 1485 for Venice. The remaining leaders of Florentine painting, Botticelli, Domenico Ghirlandaio and Filippino Lippi, worked on a major fresco cycle with Perugino, for Lorenzo the Magnificent's villa at Spedalletto near Volterra. Botticelli painted many Madonnas, covered in a section below, and altarpieces and frescos in Florentine churches. In 1491 he served on a committee to decide upon a façade for the Cathedral of Florence, receiving the next year a small payment for a design for a scheme, eventually abortive, to put mosaics on some