Clovis Prevost - Claude Gaspari - Herbert MatterArchives of the magazine Galerie des Arts, André Parinaud. Alexander Calder, c. 1940-1970 .Workshop in New York . Works. The artist at work. 34 silver and chromogenic proofs and countertypes. Numerous photographer's stamps, annotations, indications of cropping on the verses. Formats : from 9 x 12 to 30 x 20 cmClovis Prevost - Claude Gaspari - Herbert MatterArchives of the magazine Galerie des Arts, André Parinaud. Alexander Calder, c. 1940-1970 .Workshop in New York. Works. The artist at work. 34 gelatin silver prints, chromogenic prints and contretypes. Several photographer's stamps, annotations, crop marks on the verso . Dimensions: from 9 x 12 to 30 x 20 cm