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 questions. The general consensus is that most of the drawings are late; the main scribe can be identified as Niccolò Mangona, who worked in Florence between 1482 and 1503, whose work presumably preceded that of Dante. Botticelli then appears to have worked on the drawings over a long period, as stylistic development can be seen, and matched to his paintings. Although other patrons have been proposed (inevitably including Medicis, in particular the younger Lorenzo, or il Magnifico), some scholars think that Botticelli made the manuscript for himself. There are hints that Botticelli may have worked on illustrations for printed pamphlets