ARAB-BYZANTINE: Justin & Sophia type, late 7th century, AE follis (8.91g), Baysan, ND, A-3509.1, ABQ-, two seated figures derived from Justin & Sophia, large star between them, blundered Greek text / capital M, cross above, ANNO left, year right, NIKO in exergue with retrograde N, officina A, VF, RR. Greek text is probably heavily abbreviated and blundered version of Skythopolis. Struck either at that mint or elsewhere, legally or illicitly.
Estimate: 300- 400 USD