Watch List notes:

Justinian I Æ Nummus. Constantinople, Dated RY 15 = 541-542. D N IVSTINIANVS P P AVG, helmeted, draped, and cuirassed bust facing, holding globus cruciger and shield decorated with soldier on horseback motif; cross in right field / Large M, cross above, Є below; ANNO downwards to left, XV (date) to right, CON in exergue.
19.6g 36.5mm