545-546 AD., Justinian I., Constantinopolis mint, Æ Follis, Sear BC 163.

Justinian I., Constantinopolis mint, 2nd officina,
Æ Follis / 40 Nummi (35-37 mm / 19.54 g), 545-546 AD.,
Obv.: DN IVSTINI - ANVS P P AVC , helmeted facing bust, holding globus cruciger and shield; cross to right.
Rev.: large M (value mark = 40 Nummi) between A / N / N / O and X / чI / III (dated regnal year 19, 545-6 AD.), cross above, officina letter B beneath, CON in ex.
Sear BC 163 .