ARAB-BYZANTINE: Facing Bust, ca. 620-650, AE follis (9.2g), NIK (retrograde), "year 2 ", A-3508X, facing bust, uncertain dress, meaningless legend / capital M, cross above, "sleeping " officina letter B below, pleasing brown patination, VF, RR, ex Hunt Brothers Collection. Derived from the military bust type of Maurice Tiberius (582-602), but bearded, never seen on actual coins of Maurice from the mint of Nicomedia.
Estimate: 160- 200 USD