This little coin has a pretty clear cross on the diadem and a fairly legible obverse legend.
Justin I, AE Pentanummium (12mm 2.3gm), Antioch, A.D. 518-527. DN IVSTIN-VS PP AV[G]; pearl-diademed with cross, draped and cuirassed bust right / Large Epsilon; to right A Δ N. Sear 110, Hahn 66, DO 56.