A set of four color prints, including: François BOISROND (1959) - Heads Signed in pencil in the lower right margin and justified 11/40 lower left 67 x 53 cm - Earth Signed in pencil in the lower right margin and justified 19/50 lower left 50 x 65.5 cm - Head and drum Signed in the plate 66 x 50 cm and - Hervé DI ROSA (b. 1959) Dirogeo, 1985 Color print Signed, dated and justified 13/70 in pencil in lower left margin 65 x 50 cm