Justinian I (527-565). AE Decanummium, Carthage mint. Dated RY 13 (539/40). Obv. D N IVSTINI-ANVS P F AVG. Diademed, draped, and cuirassed bust right. Rev. Large I; cross above, A/N/N/O - X/III across field; C[AR] in exergue. D.O. 297; Sear 269. 5.65 g. 18.00 mm. R. Rare and choice example. About EF.