Sketch of Starry Night Over the Rhône, enclosed in a letter from Vincent van Gogh to Eugène Boch and Crossed-out, unsent fragment of a letter written by Van Gogh to Gauguin

Vincent van Gogh (1853 - 1890), Arles, 2 October 1888

pen and ink on paper, 9.5 cm x 13.5 cm
Credits (obliged to state): Van Gogh Museum, Amsterdam (Vincent van Gogh Foundation)