Walkowitz in his studio at 8 East Twenty-third St., New York City, 1908, holding a pallette and brushes. His painting In the Opera (on the easel) was one of twelve works that he exhibited in the 1913 Armory Show.
Identification on front (handwritten): A. Walkowitz; Studio 1908; No. 8 East 23rd St. NY. Identification on verso (handwritten): The studio of Abraham Walkowitz, 8 East 23rd Street New York; the picture was taken the year of 1908.
Archives of American Art, Smithsonian Institution Washington, D.C. 20560