These are Christian Imitations of the Ayyubid coins of al-Salih Isma'il 635 / 1237 and 637-643 / 1239-1245. The original coins were struck in Damascus; the Crusader imitations were likely struck in Acre in Palestine. The first coin is Type V and the second is Type VI. These are determined by differences in the the marginal inscriptions. The imitations are more common than the prototypes.
“Thirteenth century crusader imitations of Ayyubid silver coinage : a preliminary survey” by Michael L Bates.
In: Kouymjian, Dickran K., ed. Near Eastern Numismatics. Studies in Honor of George C. Miles, pp. 393-409.