Sam Francis Black Stone, 1964 Color lithograph on woven paper from an edition of 2000 copies Published in Walasse Ting, One Cent Life, by EW Kornfeld, Bern, Switzerland, 1964 Lithograph printed by Maurice Beaudet, in Paris, 1964 Unsigned and unnumbered Paper dimensions: 58 x 41 cm<div> In very good condition,</div><div> Folded in the middle as in the edition.</div><div> Printed on the back as originally.</div> 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