ArtworkBlack Number TwoSign in to saveRené Charles Acht — c. 1956 — Watercolor and gouache on white wove paper, laid down on gray boardArtwork · Art Institute of ChicagoWatercolor and gouache on white wove paper, laid down on gray boardArtistRené Charles AchtDatec. 1956MediumWatercolor and gouache on white wove paper, laid down on gray boardView at Art Institute of Chicago · Open Access