Van Gogh’s Rooftops in Paris is a transitional work, showing early signs of his later, signature brushwork, argues Adriaan E Waiboer

Vincent van Gogh (1853–1890) Rooftops in Paris, oil on canvas, 45.6 × 38.5cm, National Gallery of Ireland
Until recently, one of the world’s most popular painters, Vincent van Gogh (1853–1890), was not represented in the collection of the National Gallery of Ireland. The purchase of Rooftops in Paris in February has now made it possible to admire this remarkable artist’s work without travelling abroad