Constantine I, AE3, Lyon, RIC VII 79

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Constantine I

AE3

CONS-TANTINVS AVG, cuirassed bust facing to the right
wearing a high-crested helmet.
VICTORIAE LAET PRINC PERP,  two Victorias holding a
shield inscribed with VOT PR, upon an altar (type 4d).

3.01 grams
18 x 17 x 1.5 mm
220 degrees

P two bound captives, back to back, L (Lyon), 

struck in 320 AD
RIC VII 79