Constantine I (307-337). AE Follis. Antioch mint, 312 AD. Obv. IMP C FL VAL CONSTANTINVS PF AVG. Laureate head right. Rev. SOLE INVICTO. Sol, radiate, standing left, rising right hand and holding head of Serapis; to left, H; to right, star; in exergue, ANT. RIC VI 167c. 3.40 g. 18.00 mm. Scarce. EF/About EF.