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 steel". Richard Barber suggests that the name's origins may have lain in pageantry, in that a tradition may have grown up in the 15th century of representing the prince in black armour. He points out that several chronicles refer to him as Edward the IV (the title he would have taken as King had he outlived his father): this name would obviously have become confusing when the actual Edward IV succeeded in 1461, and this may have been the period when an alternative had to be found. Edward's reputation for brutality in France is also well documented, and it is