NBC World News:
The Van Gogh Museum says it has identified a long-lost Vincent Van Gogh painting that spent years in a Norwegian attic and was believed to be by another painter. It is the first full-size canvas by the Dutch master discovered since 1928.
"Sunset at Montmajour" depicts trees, bushes and sky, painted with Van Gogh's familiar thick brush strokes. It can be dated to the exact day it was painted because Vincent described it in a letter to his brother, Theo, and said he painted it the previous day — July 4, 1888.
He said the painting was done "on a stony heath where small twisted oaks grow."
Museum experts said the painting was authenticated by letters, style and the physical materials used, and they had traced its history.
Museum director Axel Rueger described the discovery as a "once-in-a-lifetime experience" at an unveiling ceremony.
The museum said the painting now belongs to an unidentified private collector and will be on display at the museum from Sept. 24.