Watch List notes:

Constantine I. AD 307/310-337. Æ Follis (26mm, 7.16 g, 6h). Londinium (London) mint. Struck AD 307-310. Laureate and cuirassed bust right / Constantine I standing left, holding signum in each hand; –|–//PLN. RIC VI 112; C&T 5.04.012. Brown patina. Good VF. Rare.

From the Paul DiMarzio Collection. Ex ArtCoins Roma E22, lot 770.