Lithograph of the artist Jean Hélion. 1965 Signed in pencil and numbered on 50ex in pencil by the artist. Dimensions 38 x 53 cm Support: Vellum Rives paper In excellent condition! PRICE: 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