Parece que de Roma:
Gratian, AE3, Rome. DN GRATIA-NVS PF AVG, pearl diademed, draped, cuirassed bust right / SECVRITAS-REIPVBLICAE, Victory advancing left, holding wreath and palm. Mintmark: RSECVNDA. RIC IX Rome 24c, type x (a).
http://wildwinds.com/coins/ric/gratian/_rome_RIC_024c_xa.jpg
Un saludo
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"Qvod tibi fieri non vis, alteri non feceris"