Watch List notes:

ARAB-BYZANTINE: Imperial Bust, ca. 650s-670s, AE fals (6.17g), KAR, "year 17 ", A-3506, SIC (Ashmolean) vol. 1, #528 (same dies), somewhat abbreviated IMPER CONST legend around lightly bearded bust / cross above capital M, officina Γ, beautiful patina, choice VF, RR. The mint name is presumably derived from Carthago in North Africa, but the style is entirely Syrian.

Estimate: 150- 250 USD