Constantine I as Caesar (306-307 A.D.) -  AE Follis - 28mm, 7.95gr
Obverse - FL VAL CONSTANTINVS NOB CAES
Constantine I, his laureate head right.
Reverse - GENIO POPV-L-I ROMANI                              
Genius standing left, modius on head, naked but for
chlamys over left shoulder, holding patera (from which
liquor flows) in right and cornucopiae in left hand.
HTA in Exergue.

Minted at officina A in Heraclea (Marmara Ereglisi, Turkey) in 306-307 A.D.

Reference:
Sutherland, C.H.V., "Roman Imperial Coinage", Volume 6 (RIC), Heraclea, p534, nr 31.
Voetter, Otto, "Die Münzen der römischen Kaiser, Kaiserinnen und Caesaren von Diocletianus bis Romulus, Katalog der
hinterlassenen Sammlung und Aufzeichnung des Herrn Paul Gerin" (Voetter-Gerin), Heraclea, Constantinus Magnus, p117, nr 1.

General reference works:
Failmezger, V., "Roman Bronze Coins From Paganism To Christianity 294-364 A.D.", nr 46aCI
Sear, D.R., "Roman Coins and their Values" (RCV 4th Revised Edition), p324, nr. 3833, variety from Heraclea.
Van Meter, D., "Handbook of Roman Imperial Coins", p281, nr 47., variety with Ol/6.
Kankelfitz, B.R., "Katalog römischer Münzen, von Pompejus bis Romulus, Band II", p459, nr. 13V with Av. Leg. 5.
Kampmann, U., "Die Münzen der römischen Kaiserzeit", p410, nr. 136.72.

Quality: Very Fine+ with most of the silvering intact.
Scarcity: S