Marc Batifol (born in 1931 )Tower at night; Vertical and horizontal; Superposition; Underground; Unknown altar; Celestial debris 1 and 2; Penelope's work. Gouge etching in colors. Meeting of 8 proofs on vellum, variously justified, titled and signed in pencil. All margins. Traces of oxidation, tiny accidents, some fixed by pieces of adhesive under matting on the reverse. 65 x 51 cm.