Treaty of Troyes
"Grace Dieu" was designed for use in battle against Genoas formidable fleet of carracks, that city being at the time the ally of France and enemy of England. To this end she was built with high sides and a prow that rose more than , so that her archers could fire from above into the much lower carracks that she would run alongside. However, by the time she was completed England had firm control over the Channel and was at peace with France following the Treaty of Troyes.