Watch List notes:

Constantine I the Great AD 307-337, Constantinople Mint, ca. AD 330-335.
Draped and cuirassed bust of Constantinus I right wearing laurel and rosette diadem, CONSTANTINVS MAX AVG;
Two soldiers standing facing each other, each holding spear and shield, two standards between them, GLORIA EXERCITVS, in exergue CONS?
RIC VII 59. About extremely fine. Size: D: 18.5mm; 2.03g