Soulages - Picasso - Vasarely - Masson Intellectuals' Day for Vietnam - 1968 Rare original poster "Intellectuals' Day for Vietnam - March 23, 1968" by the artist collective: Pierre Soulages - Pablo Picasso - Victor Vasarely - André Masson Full poster (sometimes offered cut into 4 separate pieces: 39 x 59 cm, one per artist), signed in the plate by the 4 artists In the catalogue raisonné of artists: Vasarely (Benavides 1241), Picasso (Czwiklitzer 325, Rodrigo 173) offset printing, 170 g coated paper printed by: ICC London - Paris Dimensions: 77 x 118 cm very good condition (one micro cut on the edge) This piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I take full responsibility for any authenticity issues arising from misattribution