ARAB-SASANIAN: Khusraw type, ca. 666-670, AR drachm (3.32g), BYSh (Bishapur), AH"42", A-5, Malek, with Arabic rabbi added in ObQ3 and a pellet at 8:30h in the obverse margin; the date has also been interpreted as 32, but because this type was not formally introduced until 47, the date is either an engraver's error or the coin is a contemporary imitation; possibly unpublished, VF to EF, RRR.
Estimate: 150-200 USD