Constantine  I Magnus (307-337 A.D.) -  AE3 Half-Nummus - 19.94mm, 5.19gr
Obverse - IMP C FL VAL CONSTANTINVS PF AVG
Constantine, his laureate and cuirassed bust right.
Reverse - IOVI CONS-ERVATORI
Jupiter standing left, chlamys across left shoulder,
leaning on scepter with eagle, victory on globe in right hand,
flanked by eagle holding wreath on the left.
A in field, SMN in Exergue.

Minted at officina A in Nicomedia (Izmit, Turkey) between 313 and 317 A.D.
Reference:
Bruun, P.M., "Roman Imperial Coinage", Volume 7 (RIC), Nicomedia, p601, nr. 12, obverse 1(B1)
Failmezger, V., "Roman Bronze Coins From Paganism To Christianity 294-364 A.D.", nr 254CI
Suarez, R., "Encyclopedia of Roman Imperial Coins" (ERIC),  p445, nr.243 (B38, O47, R091, T102, M11)
Quality: Fine-