SOULAGES (Pierre) - LAGRANGE (Michel). Soupçons du Noir. Paris] : Éditions Virgile, [2006]. - In-4, 271 x 200 : 26 pp, (1 blank page), 1 plate, printed cover. In sheets, filled cover, in publisher's black cloth slipcase, label printed in blue and black on the first cover. Rare edition, illustrated with an unsigned silkscreen by Pierre SOULAGES (born in 1919). Edition of only 90 numbered copies on white Arches vellum, all signed by the author and the artist at the justification. A perfectly preserved copy.