Isaac II Angelus (1185-1195 AD). Thessalonica
AE Tetarteron (20.5mm 3.88g)
Obv: O / X / AP - X / MI. Half-length bust of archangel Michael facing, holding sceptre and globus cruciger.
Rev: ICA / AK / IOC - ΔEC / ΠO / THC. Half-length bust of Isaac facing, holding cruciform sceptre and akakia.
Sear 2005.