TYPE Byzantine Empire, Tiberius II Constantine (578-582 AD), bronze half follis, Nikomedia mint DESCRIPTION . Obv: Helmeted and cuirassed bust of emperor facing holding globus cruciger, Latin legend Rev: Denomination (XX = 20 nummi), cross above, mint mark NIKO below, officina E REFERENCE: SB 443 GRADING: AVF / VF, green-red patina, mintmark weak ORDER INFO: B1784, $65