Constantine  I Magnus (307-337 A.D.) -  AE3 - 19.45mm, 2.67gr
Obverse - CONSTANTI-NVS MAX AVG
Constantine, his rosette-diademed, draped and cuirassed
bust right.
Reverse - DN CONSTANTINI MAX AVG,
Wreath enclosing VOT XXX in to lines.
Star SMHB in exergue

Minted at officina B in Heraclea (Marmara Ereglisi, Turkey) in 329-330 A.D.
Reference:
Bruun, P.M., "Roman Imperial Coinage", Volume 7 (RIC), Heraclea, p556, nr. 106.
Failmezger, V., "Roman Bronze Coins From Paganism To Christianity 294-364 A.D.", nr 345CI
Carson, R.A.G., Hill, P.V., & Kent, J.P.C., "Late Roman Bronze Coinage",  Part I, p22, .nr 894.
Sear, D.R., "Roman Coins and their Values" (RCV 4th Revised Edition), p326, nr. 3874, variety from Heraclea mint.
Van Meter, D., "Handbook of Roman Imperial Coins", p291, nr 80, variation with Ol/13.
Quality: Very Fine+
Scarcity: R1