Constantine I. AD 307/310-337. Æ Follis (23mm, 3.59 g, 6h). SOLI INVICTO COMITI Type. Londinium (London) mint. Struck circa AD 311-312. Laureate, helmeted, and cuirassed bust left, holding spear in right hand over right shoulder and shield on left arm / Sol standing left, chlamys across left shoulder, right hand raised, holding globe in left hand; –|*//PLN. RIC VI –; C&T 7.08.011. Green patina, earthen deposits. VF. Extremely rare with this bust type. One of two known.
From the Paul DiMarzio Collection, purchased from Lee Toone (Hookmoor Ancient Coins), 25 July 2012.
From Lee Toone: "I only know of two examples so far (I have the other one). They are obverse and reverse die matches so probably a rare coin."