Bust of Constantine I, laureate, cuirassed, right.
Obverse script
Latin
Obverse lettering
IMP
CONSTANTINVS P F AVG (Translation: Supreme Commander Constantine I, pious, successful emperor.)
Reverse description
Mars, nude, standing right, leaning on reversed spear with right hand and supporting shield with left hand. Star in left field. London mintmark in exergue.
Reverse script
Latin
Reverse lettering
MARTI CON-SERVATORI
* (Translation: To Mars the defender.)
Edge
Mint
PLN Londinium / Augusta, modern-day London, United Kingdom