How did the only painting sold by Van Gogh in his lifetime end up in Russia?

The 35 Most Expensive Paintings Ever Sold

Vincent van Gogh, The Potato Peeler (reverse: Self-Portrait with a Straw Hat)

Did Van Gogh Sell Only One Painting During His Life?

The Mystery of the Disappearing van Gogh - The New York Times

Is 'The Red Vineyard' Vincent van Gogh's only known painting sold? - Daily Times

What were the first 12 Van Gogh paintings ever sold?

Vincent van Gogh Cut Off His Ear to Silence Hallucinations and 10 Other Things We Learned in a New Book About Him

6 Rediscovered Artists

A Clue to van Gogh's Final Days Is Found in His Last Painting - The New York Times

How Many Paintings Did Van Gogh Sell?

Vincent van Gogh and Auvers-sur-Oise