There is a glimpse of B202 in a photograph of Room G of the Entartete Kunst (Degenerate Art) exhibition, fig. 1.

Fig. 2 is a photograph from Museum Folkwang, as shown in the Catalogue, but a wider original. possibly showing other works, has not been found. TheFolkwang has provided the dimensions, 41.2x32.9 cm

For the reconstruction (fig. 3), there are four clear colour blocks: two top right, probably the same colour, perhaps blue; bottom right is lighter, perhaps red. The dark bottom left block is likely to be black and to the left of that, the variations in grey suggests yellow.