Mint and Date: Rome, officina 2; 314-315 CE.
Size and Weight: 18mm x 20mm, 3.1g
Obverse: Laureate, draped and cuirassed bust right.
IMP CONSTANTINUS PF AVG
Reverse: Sol standing left, holding globe in left hand, right hand raised palm out.
SOLI INV - I - (CTO COMITI)
Field Marks: R over X in l. field, F in r. field
Exergue: R S
Ref: RIC Vol VII, 27
BW Ref: 003 028 038