Constantine I, as Caesar (AD 306?307), AE follis, Lugdunum mint.
Obverse: FL VAL CONSTANTINVS N C, laureate, cuirassed and draped bust right,
brow smooth, clean-shaven.
Reverse: GENIO POP?VLI ROMANI, Genius standing left before lighted altar,
wearing modius on head and drapery around loins, holding patera and
cornucopia, N in right field, PLC in exergue.
Bastien 401 (29 examples cited), RIC VI 233.
Contributed by Yuri Kabanov, November, 2007.