Constantine I as Caesar, AE Half Follis, c.Summer 307, Group II, Class IV (b),
Trier, Officina 1
FL VAL CONSTANTINVS N C
Laureate, cuirassed bust right
MARTI PAT_RI-PROPVG Mars, helmeted, nude, advancing right, transverse spear in right hand, shield in leftS | A across fields
PTR in exergue
21mm x 22mm, 5.04g