design-is-fine:Paul Neuenborn, Penguins, 1806. Black chalk on paper. Wallraf-Richartz-Museum
design-is-fine: Paul Neuenborn, Penguins, 1806. Black chalk on paper. Wallraf-Richartz-Museum & Fondation Corboud, Cologne. Source RBA -- source link
design-is-fine: Paul Neuenborn, Penguins, 1806. Black chalk on paper. Wallraf-Richartz-Museum & Fondation Corboud, Cologne. Source RBA -- source link