Watch List notes:

CONSTANTINE II. Follis. (Ae. 3.44g / 19mm). 321-324 AD Siscia. (RIC 180). Anv: Diademic head of Constantine II on the right, around legend: CONSTANTINVS AVG. Rev: Legend: VOT XX, inside laurel wreath, below: BSIS, around legend: DN CONSTANTINI MAX AVG. Very Fine.