Byzantine
Justin II (565-578 AD). Carthage
AE Decanummium (18mm 4.96g)
Obv: Helmeted, cuirassed bust facing, holding shield
Rev: large I, V over S to left, sometimes with dot-dot above, TI over NI to right (thus forming the name IVSTINI), no mintmark.
SB 399, MIB 79.