Justinian I. 527-565. Æ Half Follis (20mm, 8.50 g, 6h). Rome mint. Struck 537-539. Diademed, draped, and cuirassed bust right / Large K; star to left, cross to right; all within wreath. DOC 325a; MIBE 222; SB 301. Green patina, light cleaning marks. VF.