Bronze AE3, 18mm, 2.26gm, issued AD 333-335 Alexandria mint.
Obv: CONSTANTINVS MAX AVG, Bust of Constantine I, rosette-diademed, draped, cuirassed, right.
Rev: GLORIA EXERCITVS (SMALA in ex.), Two soldiers standing facing each other, each holding reversed spears and two standards between.
References: Sear 16360, RIC 58.