Berta Blasi We have on the operating table before us 14 large-format patients. They are 13 posters by makers who have left their mark on Modernisme: Adolf Hohenstein, Jean Ubaghs, Théopile Alexandre Steinlen, Jules Chéret, Ethel Reed, Henri Privat-Livemont, Leonetto Cappiello, Henri-Gustave Jossot and Leonardo Bistolfi, and an original drawing by Apel·les Mestres, recently identified…