‘The Last General Absolution of the Munsters at Rue du Bois’, by Fortunio Matania. This painting relates to an incident in France in May of 1915, when the 2nd Battalion of the Royal Munster Fusiliers suffered very heavily at Rue du Bois, in the Pas-de-Calais close to Arras. Credit: Illustrated London News Ltd/Mary Evans

The most haunting and poignant image of Irish involvement in the first World War is at the centre of an unsolved art mystery. The Last General (...)