JUSTINIAN I, (527-565), AE follis, Constantinople mint, (23.24 g) issued year 15 = 541-542, officina A, obv. Justinian bust facing, DN IVSTINI ANVS PP AVC, rev. M, A below, year X/U, CON in exergue, large thin flan, (S.163, DOC.37d, BMC 43). Large flan, with dark green patination, nearly extremely fine and scarce.
Ex Dr V.J.A. Flynn Collection.