How many paintings is Van Gogh believed to have sold in his lifetime?

Vincent van Gogh, one of the most well-known post-impressionist artists, for whom color was the chief symbol of expression, was born in Groot-Zundert, Holland on March 30, 1853. During his brief career, he did not experience much success; he sold only one painting and lived in poverty, malnourished, and overworked. The money he had was supplied by his brother, Theo, and was used primarily for art supplies, coffee, and cigarettes. Van Gogh only sold one painting during his lifetime, Red Vineyard at Arles. This painting now resides at the Pushkin Museum in Moscow. The rest of Van Gogh's more than 900 paintings were not sold or made famous until after his death.

Source: Van Gogh Gallery