Justinian I (527-565). AR Half Siliqua, Ravenna mint, 552-565 AD. Obv. DN IVSTINIANVS. Diademed and mantled bust right. Rev. Large Christogram within wreath. D.O. 338; MIB 77; Ranieri 359-60; Sear 319. 1.38 g. 14.00 mm. R. Rare and superb. Old cabinet tone. About EF/EF.