ARAB-SASANIAN: Yazdigerd type, 652-668, AR drachm (3.82g), SK (Sijistan), YE20 (frozen), A-1, with countermark over the star & crescent between ObQ1 & ObQ2, choice Very Fine, R. The countermark is not in Göbl or Gaube, but is a bird viewed from above, flying towards two characters (tamghas?), and the traditional fineness text in the reverse margin.
Estimate: 250-300 USD