UMAYYAD: AE fals (1.57g), Balkh, AH111, A-B197, Gyselen-95, Sasanian-style bust right, date in words to the right // Arabic legend bism Allah / duriba hadha / al-fals bi-balkh / sittin bi-dirham / ja'iz, thus valued at "sixty to the dirham", VF, RRR. Extremely rare variety, with none on CoinArchives or Zeno; Gyselen knew of just one example. This type can also be classified as Arab-Sasanian.
Estimate: 200-300 USD