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 Prince sustained a heavy loss in the death of his friend Chandos. Several efforts were made by Edward to conciliate the Gascon lords, but they were fruitless and can only have served to weaken the prince's authority. It is probable that John of Gaunt was working against him at the English court, and when he was sent out in the summer to help his elder brother, he came with such extensive powers that he almost seemed as though he had come to supersede him. In the spring Charles raised two large armies for the invasion of Aquitaine; one, under the