Constantine I, Rome, AE. 317 AD.

IMP CONSTANTINVS PF AVG, Laureate, draped and cuirassed
 bust right.
SOLI IN-VI-CTO COMITI, Sol standing left, holding globe, 
right hand raised, chlamys hanging over left shoulder., 

A in left field
Mintmark RQ

Ref: RIC VII Rome 78

Note: Although the mintmark is mostly off flan, the A
in the left field and the reverse break of ..IN-VI-CTO..
makes the identification of Rome 78 certain.

Contributed by Raymond Carson, August 2009