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 Renowned Son, Edward, Prince of Wales and of Aquitain, Sirnamed the Black-Prince". The origins of the name are uncertain, though many theories have been proposed. These fall under two main heads: The black field of his "shield for peace" is well documented (see Arms and heraldic badge above). However, there is no sound evidence that Edward ever wore black armour, although John Harvey (without citing a source) refers to "some rather shadowy evidence that he was described in French as clad at the battle of Crécy ' "en armure noire en fer bruni" ' – in black armour of burnished