Citation
"Proun 12E (El Lissitzky) , BR49.303,” Harvard Art Museums collections online, Sep 07, 2024, https://hvrd.art/o/225571.
The painting has a light brown background and shows a series of interlocking and overlapping geometric shapes. A darker brown horizontal band crosses the picture plane slightly above center. A large gray triangle descends from the top edge slightly off center to the right. A black rectangle intersects the triangle two-thirds of the way down from the top, splitting the rectangle. Along white curved shape angles to the right and is overlapped by the split ends of the rectangle. An L-shaped gray form with a red disc overlapping on the end is overlapped by a white rectangle on the diagonal.