High grade NGC-certified ancient coin from the Roman Empire.
The following courtesy of Numista:

Obverse

Bust of Constantius I, right, radiate, draped, cuirassed.

Script: Latin

Lettering: FL VAL CONSTANTIVS NOB CAES

Translation:
Flavius Valerius Constantius Nobilis Caesar
(Flavius Valerius Constantius Noble Caesar)

Reverse

Constantius I standing left in military dress, looking right and receiving Victory on globe from Jupiter, standing right looking left, leaning on sceptre with left hand.
Mintmark in middle field.

Script: Latin

Lettering: CONCORDIA MILITVM

Translation:
Concordia Militum
(Concord of the Soldiers)


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