Byzantine Justininian I (527-565 AD) Nicomedia AE Follis (42.4mm, 23.3g) Obv: Justinian bust facing, DN IVSTINI ANVS PP AVC. Rev: M, A below, year X/II/I, NIK in exergue, large thin flan. S.201, DOC.117a, BMC 190-1.