*AAH* Constantine I AE3 "Sol Invicto" Constantine I 
AD 306-337 AE3 

Obv: IMP CONSTANTINVS P F AVG - Laureate bust right, draped and cuirassed. 
Rev: SOLI INVI-C-TO COMITI - Radiate Sol standing left, 
holding right hand high in salute and globe showing apparent 
latitudinal and longitudinal lines. 

Star in left field.
Mintmark TT

: AD 313 = RIC VII, 7