(A) Bust of Constantine I, right, laureate, draped, seen from rear or (D) Bust of Constantine I, right, laureate, draped, cuirassed, seen from rear.
Obverse script
Latin
Obverse lettering
IMP
CONSTANTINVS P F AVG (Translation: Supreme commander Constantine pious fortunate emperor.)
Reverse description
Mars, standing right, helmeted, nude but chlamys over shoulder, holding inverted spear in right hand and leaning on shield with left hand. Letters across fields. Officina and mintmark in exergue.
Reverse script
Latin
Reverse lettering
MARTI PATRI CONSERVATORI
T-F (Translation: To Mars protector of the nation.)
Edge
Mint
TR Augusta Treverorum / Treveri,modern-day Trier, Germany
Mintage
ND (309) - 1st Officina (PTR), bust A - ND (309) - 1st officina (PTR), bust D -
