Constantine  I Magnus (307-337 A.D.) - AE3 - 19.37mm, 2.78gr
Obverse - CONSTANTI-NVS MAX AVG
Constantine, his rosette-diademed head right.
Reverse - GLORIA-EXERCITVS,
Constantine, standing left, looking right, leaning on shield and holding reversed spear.
CONS in Exergue, Gamma in left field
Minted at officina Gamma in Constantinopolis (Istanbul, Turkey) in 327 or 328 A.D.
Reference:
Bruun, P.M., "Roman Imperial Coinage", Volume 7 (RIC), Constantinople, p573, nr 22, obverse I (E2) - Plate 18
Failmezger, V., "Roman Bronze Coins From Paganism To Christianity 294-364 A.D.", nr 348CI
Carson, R.A.G., Hill, P.V., & Kent, J.P.C., "Late Roman Bronze Coinage",  Part I, p24, .nr 987
Sear, D.R., "Roman Coins and their Values" (RCV 4th Revised Edition), p326, nr. 3875
Van Meter, D., "Handbook of Roman Imperial Coins", p292, nr 81
Quality: Very Fine