Ancient Roman coin of Constantine I The Great minted in Ostia, Italy

Constantine I - nicely detailedAE follis Minted in Antioch Size: 14.62mm Weight: 1.36 grams Obverse: CONSTANTINVS AVG pearl diademed, draped, and cuirassed bust right Reverse: GLORIA EXERCITVS, two soldiers holding spears and shields with one standard with circle on banner between them 

Constantine I - beautiful patinaMinted: Constantinople Size: 18.5mm Weight: 2.9 grams Obverse: CONSTANTINVS MAX AVG diademed draped & cuirassed bust right Reverse: CONSTANTINIANA DAFNE Victory seated left on cippus with palm branch in each hand, trophy in background, captive kneeling before...

Constantine I Minted in ConstantinopleSize: 14.71mm Weight: 2.7 grams Obverse: CONSTANTINVS MAX AVG Rosette diademed draped and cuirassed bust to right Reverse: GLORIA EXERCITVS, two soldiers, each holding spear and shield, with two standards between them. CONSA in exergue GLORIA EXERCITVS = Glory...

Constantine I Minted in Alexandria, Egypt Size: 17mm Weight: 2.5 grams Obverse: CONSTANTINVS MAX AVG Rosette, diademed, draped and cuirassed bust to right Reverse: GLORIA EXERCITVS, two soldiers, each holding spear and shield, with two standards between them. SMALA in exergue GLORIA EXERCITVS =...

Constantine I Size: 18mm Weight: 3.1 grams Obverse: CONSTANTINVS MAX AVG, laureate head right Reverse: DN CONSTANTINI MAX AVG around laurel wreath with VOT (Dot) XXX. Mintmark SMNH or K