Tiberius II, AE half- follis, Nicomedia. 578-582 AD. 24 mm. 5.66 g. dM TIb CONSTANT PP AVG, crowned and cuirassed bust facing. Large XX, cross above, mintmark NIKOB. SB 443, DOC 33 With permission of cngcoins.com, auction 94, Lot 1310, Sept. 2013.