Constructivist artist of the 20th century, ,Schraubmanschette, 1971, color screenprint on light cardboard, signed and dated in pencil lower right, numbered "25/300" lower left, 57.5 x 41 cm (paper size: 73 x 58 cm), in the upper margin and upper left with slight crease, otherwise flawless, o. R. Limit 81,-

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