Watch List notes:

Justinian I. 527-565. AE 4 nummus (9.5 mm, .87 g, 5 h). Carthage mint, struck 539/40. illegible, diademed draped and cuirassed bust of Justinian I right / VOT / XIII ( = yr. 13 = 539/40. ), Vota "dedication" (date) in dotted border, all within wreath. SBCV 278; DO 302. Rough F / VF, basically uncleaned / as found.

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