Byzantine
Isaac II Angelus ( 1185-1195 AD) Constantinople
AE Tetarteron (13.8mm 3.8g)
Obv: The Virgin Mary, orans, standing facing on dais; nimbate head of Christ Child on breast Rev: Isaac standing facing, holding cruciform sceptre and anexikakia; manus Dei to upper right. DOC 4; Sear 2004.