Dinero '1st Granada war' - Alfonso X Cuenca

Alfonso X struck these dineros to fund the Castilian response to the Mudéjar revolt of 1264, when the Muslim populations of Andalusia and Murcia rose simultaneously — almost certainly coordinated with Muhammad I of Granada, who had encouraged the uprising to destabilize Castilian control of the recently conquered south. The fiscal strain was considerable enough that Alfonso debased his coinage repeatedly across this period, and the Cuenca mint's output reflects that pressure in its variable silver content.