Justinian I. 527-565. Æ 20 Nummi – Half Follis (28mm, 10.62 g, 7h). Cyzicus mint. Dated RY 12 (538/9). D N IVSTINI ANVS P P AVC, helmeted and cuirassed bust facing, holding globus cruciger and shield decorated with figure on horseback riding right; cross to right / Large K (mark of value); A/N/N/O to left, cross above, XII (date) to right, Y/Z below. DOC 140; MIBE 116; SB 203. Near EF, brown patina.