[ENGRAVING ON WOOD - GRASSET (Eugene)] Original woodcutting matrix, 197 x 150, bleached. Rare and superb matrix engraved by Fortuné Méaulle (1844-1916) after a drawing by Eugène Grasset (1845-1917), representing the murder of the bishop of Laon, intended for the illustration of Charles Seignebos's book entitled Scènes et épisodes de l'histoire nationale, published in 1891.