ARAB-SASANIAN: Yazdigerd type, 652-668, AR drachm (3.04g), SK (Sijistan), year 20 (frozen), A-1, Malek-946 ff, first Islamic coin, distinguished from the last regular Sasanian issue of the same year (i.e., regnal year 20 of Yazdigerd III) by the addition of Arabic bism Allah in the second obverse quarter, struck for close to 15 years without change of date; cut down to post-reform standard, VF.

Estimate: USD 100 - 150