Constantine I (307/310-337), AE follis (Bronze, 18,0 mm, 2,26 g), Cyzicus, 331.
Obv: CONSTANTINVS MAX AVG, pearl-diademed, draped and cuirassed bust of Constantine I to right.
Rev: GLORIA EXERCITVS, two soldiers standing facing each other, each holding inverted spear in his outer hand and placing his inner hand on shield set on ground, two signa between them, SMKЄ in exergue.
Ref: RIC 65.