Constantine II (Caesar 316-337 A.D., Augustus 337-340 A.D.) -  AE3 Follis  - 17.78mm, 2.57gr
Obverse - CONSTANTINVS IVN NOB C
Constantine II, his laureate head right.
Reverse - CAESARVM NOSTRORVM,
Wreath enclosing VOT X,
ASIS "rising sun with rays" in Exergue.

Minted at the 1st officina in Siscia (Sisak, Croatia) between 321 and 324 A.D.
Reference:
Bruun, P.M., "Roman Imperial Coinage", Volume 7 (RIC), Siscia, p446, nr. 182, obverse 7, bust B1
Sear, D.R., "Roman Coins and their Values" (RCV 4th Revised Edition), p332, nr 3943, variety
Failmezger, V., "Roman Bronze Coins From Paganism To Christianity 294-364 A.D.", nr 310CII
Van Meter, D., "Handbook of Roman Imperial Coins", p295, nr 32
Quality: Very Fine