Fine Art Self-portraits from genius beginnings; Marie-Denise Villers, Jan van Eyck, Pieter Bruegel the Elder, Giorgione, Sandro Botticelli, Peter de Hooch, Johannes Vermeer, Leonardo da Vinci. Latest Sale highlights numerous portraits that, for one or more reasons, have been suggested to be presumed, probable or possible self-portraits of artists for whom there is a shortage…