Constantine  I Magnus (307-337 A.D.) -  AE2 Nummus (Reduced Follis) - 23.96mm, 2.80gr
Obverse - IMP C CONSTANTINVS PF AVG
Constantine, his laureate, draped and cuirassed bust right.
Reverse - IOVI CONSERVATORI AVGG NN
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.
dot TS dot Epsilon dot in Exergue.

Minted at officina Epsilon in Thessalonica (Saloniki, Greece) in 312 or 313 A.D.
Reference:
Sutherland, C.H.V., "Roman Imperial Coinage", Volume 6 (RIC), Thessalonica, p519, nr. 61b, obverse 3a (C)
Failmezger, V., "Roman Bronze Coins From Paganism To Christianity 294-364 A.D.", nr 202gCI
Sear, D.R., "Roman Coins and their Values" (RCV 4th Revised Edition), p326, nr 3862, variety from Thessalonica mint
Van Meter, D., "Handbook of Roman Imperial Coins", p290, nr 48, variety with Ol/22.
Quality: obverse: Very Fine-, reverse: Very Fine+