Time of Constantine I, AD 330. Ae 17 commemorative mule. Very Rare.

Time of Constantine I, AD 330. Ae 17 mm. 1.3 gm. Obv: Laureate and helmeted bust of Constantinopolis left, wearing imperial mantle, with spear over left shoulder. Rev: GLORIA EXERCIYVS, helmeted soldiers standing on either side of a Legionary standard. SMHG in exergue. Very rare mule.