Justinian I, (527-565), AE follis, Constantinople mint, (22.83 g) issued year 12 = 538-9, officina G, obv. Justinian bust facing, DN IVSTINI ANVS PP AVC, rev. M, G below, year XII, CON in exergue, large thin flan, (S.163, DOC.37c, BMC 42, R.494). Dark green and brown patination, nearly extremely fine and scarce.
Ex Dr. V.J.A. Flynn Collection and previously from A.H. Baldwin & Sons Ltd., with ticket. The first year of issue of the new large and heavy type folles.