Constantine II. As Caesar, AD 316-337. Æ Follis (18mm, 2.95 g, 7h). Treveri (Trier) mint, 2nd officina. Struck AD 326. Laureate, draped and cuirassed bust left / Camp gate with two turrets; *//STR (pellet within crescent). RIC VII 479. Dark black-brown patina. Choice EF.