Constantine II AE3. 

Obv: CONSTANTINVS IVN NOB C, laureate, cuirassed bust right 
Rev: CAESARVM NOSTRORVM around VOT dot X, palm branches to left and right. 
Mintmark: AQT. 

RIC VII Aquileia 115, rated R4

Contributed by Dane for George Clegg (biggyg2), October 2007