Constantine  I Magnus (307-337 A.D.) -  AE Nummus (Follis) - 20.97mm, 2.92gr
Obverse - IMP CONSTANTI-NVS PF AVG
Constantine, his laureate, draped and cuirassed bust right.
Reverse - SOLI INV-I-CTO COMITI,
Radiate Sol standing left, raising right hand,  holding globe in left,
chlamys flying across left shoulder, a captive at feet to the left.
AQ? in exergue

Minted in Aquileia in 316 or 317 A.D.
Reference:
Bruun, P.M., "Roman Imperial Coinage", Volume 7 (RIC), Aquileia, p392, nr. 1, obverse 1 (B4)
Failmezger, V., "Roman Bronze Coins From Paganism To Christianity 294-364 A.D.", nr 258dCI
Sear, D.R., "Roman Coins and their Values" (RCV 4th Revised Edition), p326, nr 3868 variation
Van Meter, D., "Handbook of Roman Imperial Coins", p291, nr 63, variety Ol/15
Quality: ???