Justinian I. 527-565. AE follis (39 mm, 23.37 g, 2 h). Constantinople mint, Struck 541/2. D N IVSTINI - ANVS P P AVG, helmeted and cuirassed bust of Justinian I facing holding globus cruciger and shield, to right, cross / Large M between A/N/N/O and XЧ (= regnal yr. 15 = 541/2); above, cross; beneath, B; // CON. SBCV 163; DO 40. Good VF, reddish toned-copper highlights on devices, sparse, lighter green deposits in recesses and dark brown-green patina in fields.