Justinian I. 527-565. AE pentanummium (16.7 mm, 3.01 g, 12 h). Rome mint. D N IVSTINI - ANVS PP AVI, diademed, draped and cuirassed bust of Justinian I right / large V within wreath. SBCV 309 ; DOC 327. VF, obverse a little rough, brown patina.
Ex Leo Hamburger 1890's.
This coin comes from a large group of Roman Provincial, Byzantine and Vandalic coins which were part of Leopold Hamburger's inventory. More information on Mr. Hamburger can be found here:https://www.coinbooks.org/v20/esylum_v20n42a19.html