Justinian I. 527-565. Æ Follis (27mm, 7.66 g, 6h). Rome mint. Struck 537-542. Diademed, draped, and cuirassed bust right / Large M; cross above and to right, star to left; ROMA; all within wreath. DOC 322; MIBE 214; SB 294. VF, dark green patina, minor roughness.