Justinian I, AE Nummus, Carthage. 

Obv: garbled legend, pearl diademed, draped, cuirassed bust facing.
Rev: No legend, Large six-pointed star (no wreath).

SB 283b var, MIB 211 var

Sear and Sabatier both list this coin with a wreath on the reverse.

Courtesy of Beastcoins.com, Nov. 2010.