Hidden Van Gogh portrait discovered behind another painting

A never-before-seen Vincent van Gogh piece has been discovered - hiding behind another painting. Experts at the National Galleries of Scotland stumbled across the self-portrait when they X-rayed 'Head of a Peasant Woman’. Report by Burnsla. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn