ARAB-ARMENIAN: Muhammad, ca. 690-700+, AR "zuzun" (3.15g), "ShY", A-F97, Khusro style, with the name Muhammad in Pahlavi before the bust, and Arabic waf ("current, good") in ObQ2 instead of bism Allah, lovely VF to EF, RR. Actually struck in the Armenian or Azerbaijani region, but "ShY" for Shiraz and the date, Pahlavi ShBA for "7", were copied from an early issue of Khusro II (type G-209). The actual location of the mint is unknown.
Estimate: 500-600 USD