• Choice Very Fine Caesar Constantine II Roman Empire AE3 nummus or centenionalis coin.
• Struck as Caesar in 327 to 329 CE at the Heraclea Mint, SMHB.
• S-17241, approx 18mm, 2.89g.
• Certified by NGC to Ch VF Light Smoothing (not distracting).
• Obverse: CONSTANTINVS IVN NOB C,  laureate and cuirassed bust right. 
• Reverse: PROVIDENTIAE CAESS, camp gate with two turrets, no door, star above, star in reverse left field; SMHB in ex.
• Camp gates may not actually depict the gates to a Roman camp. Most probably depict watch towers, fortresses, or city gates.