• Very Fine Caesar Constantine II Roman Empire AE3 coin.
• Struck as Caesar in 321 to 324 CE at the Siscia Mint, SIS.
• Approx 19mm, 2.77g. 
• Obverse: CONSTANTINVS IVN NOB C, Laureate head of Constantine II right. 
• Reverse: CAESARVM NOSTRORVM VOT / X within laurel wreath, in ex. Gamma SIS radiant semicircle.