History of the English penny (1154–1485) that inscription, while ones produced by the London and Calais mints were inscribed . During the post-treaty period the Durham and York mints became "ecclesiastical mints", under the authority of the local bishop or archbishop, and thus a source of money for the Church. Typical inscriptions of this period are – "Edward King of England and France". Edward III's son, the Black Prince died in 1376, a year before his father, which meant that the next king was Edward's eleven-year-old grandson Richard II (1377–1399). England continued to lay claim to France, and remained at war until 1396; high taxation to
Edward the Black Prince between Edward III and Philip VI, the Duke of Cornwall is said to have met the cardinals outside the City of London, and in company with many nobles to have conducted them to the King Edward. On 11 July 1338 his father, who was on the point of leaving England for Flanders, appointed him guardian of the kingdom during his absence, and he was appointed to the same office on 27 May 1340 and 6 October 1342; he was of course too young to take any save a nominal part in the administration, which was carried on by the council.