22 x 16-15/16 inches
A lithograph from one zinc plate printed in black. This editioned poster was for the exhibition "Roots of Abstract Art in America" held at the National Collection of Fine Arts, Wahington, D.C., 12/2/65 - 1/9/66
lithograph on paper
in pencil front BR "trial proof 4/4"
© Dedalus Foundation/VAGA, New York, NY