ARAB-SASANIAN. Æ Unit (0.57 gm; 17 mm). obverse, Sasanian style bust with winged crown turning right, phrase in Kufic "BRKT" (Barkat-Gods gift and Benediction) to the right, reverse fire altar with attendants, phrase in kufic "Bismillah" (in the name of God) to the left and phrase in kufic "Rabbiallah" (God is my lord), Gyselen type 66. Brown patina. Choice EF. Extremely rare.