Могу предположить, что это все таки серакузский чекан Льва V
Leo V, AE Follis, 813-820 AD, Syracuse. L to left, EO and star to right, crowned bust facing wearing loros, with short beard, holding cross potent / KONCT, C-I across fields, Constantine, crowned, wearing chlamys, no beard, bust facing, holding cross on globe. SB 1636, DOC 17.