ARAB-SASANIAN-BYZANTINE: Æ Unit, Obverse, facing forward Byzantine style figures similar to Emperor Heraclius and his son portrait on the gold and copper coinage, Pahlavi letters "SP" or Arabic letters for "lilah" between the figures, symbol swastika on the left at 9 o'clock followed by illegible letters, illegible legend to the right, reverse, fire altar attendant/priest, and two line legends, middle line Pahlavi phrase "YANBWTY" (Gyaanbud) followed by illegible combination of letters. Brown patina. (0.84gm, 25mm) Choice Very Fine & Very Rare.