Watch List notes:

Justinian I (527-565). AE Decanummium, Perugia mint. Obv. Diademed and draped bust left. Rev. Large I between A/N/N/O and X/X/X/VI; above, cross; below, P. D.O. -; MIB -; Sear 328B (Claude Held Coll.); BMC-; T.-; R.-; B.N.-. AE. 2.91 g. 18.50 mm. RRR. Extremely rare with bust left, unlisted in most standard references. Deep olive green patina, with lighter spots VF.