Abraham Walkowitz (American, born Russia, 1878-1965). <em>Abstraction in Grey and Black No. 2</em>, n.d. Ink wash with brush on paper mounted to paper, Sheet (mount): 11 x 8 1/2 in. (27.9 x 21.6 cm). Brooklyn Museum, Gift of the artist, 39.495 (Photo: Brooklyn Museum, CUR.39.495.jpg)
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