MAGNELLI Alberto (Firenze 1888-07-01 - Meudon 1971-04-20) Paris 1937 gouache on slate blackboard cm. 19.5 x 28 A. Maisonnier "Alberto Magnelli. Les Ardoises peintes. Catalogue raisonné", Erker edition, Hardcover 1981, p. 24, ill. 9 Signed "Magnelli" (upper left) Signed of the gallerist Vismara; label of Le Cornette de Saint Cyr maison de ventes (on the reverse) Le Cornette de Saint Cyr maison de ventes, Paris Private collection, Bologna Papini Collection, Florence Bozzolini Collection, Florence Galleria Vismara, Milan Exhibition: Galleria Vismara, Milan 1971