CNG - Constantine I. London mint, rare type.

     Roman Empire. Constantine I the Great. 307-337 AD. Æ Follis (4.20
     gm). Struck circa 312-313 AD. London mint. Laureate and cuirassed
     bust right / FELICITAS AVGG NN, Roma seated left, holding branch
     and resting left arm on globe; */PLN. RIC VI 246 (R). Good VF, brown patina. Rare
     issue for London 

with permission of cngcoins.com, Mar 2009