Constantine II. As Caesar, AD 316-337. Æ Follis (19.5mm, 2.89 g, 6h). Londinium (London) mint. Struck AD 317. Laureate, draped, and cuirassed bust right, seen from behind / Sol standing left, chlamys across left shoulder, right hand raised, holding globe in left hand; S/*|P//PLN. RIC VII 123; C&T 8.10.012 (this coin cited and illustrated). Brown patina. Good VF. Rare.
From the Paul DiMarzio Collection. Ex CT Collections (Spink 231, 22 September 2015), lot 100.
From Lee Toone: "A rare mintmark and issue for London. While examples of Constantine are relatively common, those of Crispus and Constantine II are all rare.