Watch List notes:

Constantine I. AD 307/310-337. Æ Follis (22.5mm, 4.06 g, 6h). Londinium (London) mint. Struck circa AD 311-312. Radiate, helmeted, and cuirassed bust left, holding spear in right hand over right shoulder and shield on left arm / Concordia standing left, holding signum in each hand; –|*//PLN. RIC VI 204; C&T 7.04.027. Mostly silvered, toned dark gray. Good VF. Rare.

From the Paul DiMarzio Collection, purchased from Simon Shipp (Den of Antiquity), 11 August 2010.