The Birth of Venus to Botticelli's Florentine contemporary, and Lorenzo di Medici's court poet, Angelo Poliziano. The iconography of "The Birth of Venus" is similar to a description of a relief of the event in Poliziano's poem the "Stanze per la giostra", commemorating a Medici joust in 1475, which may also have influenced Botticelli, although there are many differences. For example Poliziano talks of multiple Horae and zephyrs. Older writers, following Horne, posited that "his patron Lorenzo di Pierfrancesco asked him to paint a subject illustrating the lines", and that remains a possibility, though one difficult to maintain so confidently today. Another poem by
Portrait of a Lady Known as Smeralda Brandini "* The same Lady, here surrounded by the masque of Spring, is evidently the subject of a portrait by Botticelli formerly in the Pourtales collection in Paris. This portrait is inscribed "Smeralda Bandinelli"". Rossetti's suggestion that the portrait depicted the model Botticelli used for his "Spring" now seems unlikely. Portrait of a Lady Known as Smeralda Brandini The Portrait of Smeralda Brandini is a tempera on panel painting by the Italian Renaissance artist Sandro Botticelli of about 1475, in the Victoria and Albert Museum, London (museum no. CAI.100). The identification of the sitter is based on the old, but probably