What does BON FR mean?

BON FR meaning in Law Dictionary

In old French law. A royal order or check into the treasury, developed by Francis I. Bon afin de mille livrcs, good for one thousand livres. Action. Lect. 387. In contemporary legislation. Title of a clause (bon pour -- , great for plenty) added to a cedule or vow, in which it is really not inside handwriting for the signer, containing the quantity of the amount that he obliges himself to pay for. Poth. Obi. part 4, ch. 1, art 2,