TYPE Byzantine Empire, Justinian I (527-565 AD), bronze follis, Constantinople mint, struck 544-5 AD DESCRIPTION . Obv: Helmeted and cuirassed bust of emperor facing, holding globus cruciger, Latin legend D N IVSTINIANVS PP AVG Rev: Denomination (M = 40 nummi), cross above, ANNO to left, regnal year XVIII (=18) to right, officina 'delta' below, mint mark CON at bottom REFERENCE: SB 163 GRADING: AF / F, encrusted dark brown-green patina ORDER INFO: B2304, $15