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 compelling Peter of Castile to flee from his kingdom, and in setting up his bastard brother, Henry of Trastámara, as king in his stead. Peter, who was in alliance with Edward III, sent messengers to the Black Prince asking his help, and on receiving a gracious answer at Corunna, set out at once, and arrived at Bayonne with his son and his three daughters. The prince met him at Capbreton, and rode with him to Bordeaux. Many of the prince's lords, both English and Gascon, were unwilling that he should espouse Peter's cause, but he declared that it was not