Destrier between the Percheron and the Andalusian; and the Warlander, a cross between the Andalusian and the Friesian horse. A good destrier was expensive. 7th-century Salic law gives a price of 12 solidi as weregild, or reparational payment, for a war horse, compared to 3 solidi for a sound mare or 1 solidus for a cow. In later centuries destriers became even more expensive: the average value of each of the horses in a company of 22 knights and squires in the county of Flanders in 1297 compares to the price of seven normal coursers. The price of these destriers varied
A Dispute Between a Priest and a Knight early expression of the concept of sovereignty. A Dispute Between a Priest and a Knight Disputatio inter clericum et militem (A Dispute Between a Priest and a Knight) is a dialogue, written in France between 1296 and 1303. Although anonymous, it could have been John of Paris, master of the University of Paris. The treatise examines the relationship between Church and King through a fictional dialogue between a Priest and a Knight. It was written during the period of the acrimonious dispute between King Philip IV and Pope Boniface VIII, which culminated in the Papal bull "Unam sanctam" of 1302.