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
Portrait of a Young Woman (Botticelli, Frankfurt) related, though it is uncertain which most informs the other. Portrait of a Young Woman (Botticelli, Frankfurt) Portrait of a Young Woman is a painting which is commonly believed to be by the Italian Renaissance painter Sandro Botticelli, executed between 1480 and 1485. Others attribute authorship to Jacopo da Sellaio. The woman is shown in profile but with her bust turned in three-quarter view to reveal a cameo medallion she is wearing round her neck. The medallion is a copy in reverse of "Nero's Seal", a famous antique carnelian representing Apollo and Marsyas, which belonged to Lorenzo de' Medici. It