BYZANTINE EMPIRE: Isaac II, AE Tetarteron, AD 1185-1195 (21.7mm, 4.7g). Thessalonica mint. Obverse: Abbreviated version of O X AP-X MI (or similar) to left and right of facing bust of Archangel Michael, beardless and nimbate, wearing loros and holding jewelled sceptre (sometimes surmounted by trefoil) and cross on globe. Reverse: ICA AKI OC DE CPO TH C (or similar) to left and right of Isaac, crowned bust facing, wearing loros, holding cross-tipped sceptre and akakia. Sear 2006. VF.