ARAB-BYZANTINE: Justin & Sophia type, late 7th century, AE ½ follis (4.71g), Baysan, ND, A-3510, ABQ-B3 (same obverse die), two seated figures derived from Justin & Sophia, no legends / capital K, crescent above, mint name in Arabic to left, lazy I to right, saltire below, lovely green patina, VF, RRR.
Estimate: 500- 600 USD