Joan Miró (1893-1983) Poster for the opening of the Mourlot workshop in New York 1967 Poster before the letter Lithograph in colors on vellum paper, all margins Signed in pencil and signed on the plate Edition and printing Mourlot, (F) : 69.3 x 52.5 Literature: Miró Lithograph, Vol III, No. 443 Poster before the letter, with its marking. Poster made before the modified edition, realized the same year and published in 125 numbered copies