Constantine I - AE3 $12.21 Apr-09-00 Constantine I - AE3 Constantine I "the Great", AD 307-337. A bronze AE3, 19mm in diameter, attributed as a variety of Sear 3878. Obverse: Laureate, draped, cuirassed bust right. Legend is CONSTANTINVS MAX AVG. Reverse: Camp gate with two turrets with a star between them. Legend is PROVIDENTIAE AVGG.