Bronze Follis of Constantine I ("the Great") (A.D. 307 - 337).
Lugdunum mint, A.D. 309-310
RIC (v.6) 306.
Obv: IMP CONSTANTINVS P F AVG
Rev: PRINCIPI IV-VENTVTIS - Prince, standing right in military dress, 
with globe and spear.
PLG in exergue, F in left field, T in right.
21 x 24 mm, 3.6 g.

Contributed by Glenn Simonelli, July, 2005.