Justinian I. 527-565. AE. Follis (21.62 Gr. 39mm.). Carthage mint, 2nd officina. Dated RY 13 (539/40). Helmeted and cuirassed bust facing, holding globus cruciger and shield; cross to right
Rev. Large M; cross above, A/N/N/O XIII across field; S[O]//KA[R].