Composition sepia and white. Predominance of contour lines. Louis head Study Cosimo, occupying almost the entire area of the composition. The portrayed is just outlined, 3/4 facing right, has square face, hair slicked back, looking up the outline of the on the right ear. Forehead wide, eyebrows and eyes represented by shadow areas, long nose, large lips and closed with mustache suggestion, square chin and neck suggested.