Bronze AE3, 20mm, 2.62gm, issued AD 325/326 Cyzicus mint.
Obv: CONSTANTINVS AVG, Laureate head right.
Rev: PROVIDENTIAE AVGG (SMKA᛫ in ex.), Camp gate with two turrets, without doors, with varying number of stone layers; star above.
References: Sear 16262, RIC 34.
