Watch List notes:

Tiberius II Constantine (578-582). AE Half Follis. Uncertain military mint. Obv. Crowned and cuirassed bust facing, holding globus cruciger and shield. Rev. Large XX; cross above; in exergue, ROM. D.O. 61a (Rome); MIBE 73; Sear 467 (Rome). AE. 4.61 g. 20.50 mm. Interesting type. Earthy green patina. VF.