CONSTANTINE I. 307-337 AD. Æ Follis (23mm, 3.99 gm). Londinium (London) mint. Struck circa 312-313 AD. CONSTANTINVS P AV-G, laureate, helmeted, and cuirassed bust left, holding spear over shoulder and shield / MARTI CON-SERVATORI, Mars standing right, holdling shield and spear; */PLN. RIC VI 256 var. (obverse legend). Near EF, blue-green patina, obverse softly struck.