Watch List notes:

Justinian I Æ 40 Nummi. Constantinople, dated RY 12 = AD 539/40. D N IVSTINIANVS PP AVC, helmeted and cuirassed bust facing, holding globus cruciger and shield; cross to right / Large M; ANNO to left, XII(date) to right, cross above, A below, CON in exergue.
23.6g 40.2mm