Color lithograph on vellum. Artist proof out of an edition of 180. Hand signed in pencil. Published: XXe Siècle, Paris, Galleria Schwarz, Milan, Leon Amiel, New York. Arches map, France. Printed by Mourlot, Paris. Ref. Anselmino 58 This piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I take full responsibility for any authenticity issues arising from misattribution