Watch List notes:

Justinian I (527-565), Follis, Nicomedia, AD 539-540; AE (g 23,55; mm 41; h 6); D N IVSTINI – ANVS P P AVG, helmeted, pearl-diademed and cuirassed bust facing, holding globe cruciger and shield, decorated with horseman; at r., cross, Rv. A/N/N/O – XIII Large M; above, cross, below, B, in ex., NIK. DOC 117b; Sear 201.
Green patina, good very fine.