It was described by ancient writers as a city of superior size and magnificence, ranking next to Rome, Alexandria, and Antioch in the splendor and beauty of its buildings.
The city was sacked in AD 253 by the Goths, but when Diocletian made the city his capital in 283 AD he undertook grand restorations and built an enormous palace, an armory, mint and new shipyards. The ruins of Nicomedia are buried beneath the densely populated modern city of Izmit, which has largely obstructed comprehensive excavation.
Modern location: Izmit, Turkey
Reverse: CONCORDIA AVGG, Constantinopolis seated in front, holding Victory on globe and sceptre
Die Orientation: 0 H
Weight: 0 g
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Reverse: GLORIA ROMANORVM, emperor standing facing, head right, holding labarum and globe
Die Orientation: -
Weight: 5.15 g
Reverse: VOT / V within wreath; SMNΓ
Die Orientation: -
Weight: 1.32 g
Reverse: Roma seated left on pile of shields holding Nike and spear; EΠIΓAIOY // ΠAΠIPIOY / KAPBΩNOΣ / ΔKΣ
Die Orientation: -
Weight: 7.1 g
Reverse: Roma seated left on pile of shields holding Nike and spear; EΠI ΓAIOY // ΠAΠIPIOY / KAPBΩNOΣ // PΩMH
Die Orientation: -
Weight: 8.3 g
Reverse: Camp gate with 2 turrets and 8 layers, star above; PROVIDEN_TIAE AVGG / MNΓ
Die Orientation: -
Weight: 2.4 g
Reverse: PROVIDEN-TIAE CAESS, campgate, 2 turrets, 7 layers, dots in top layer, star above, no doors.
Die Orientation: 0 H
Weight: 2.6 g
Mintmark: SMNΔ dot
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Reverse: FEL TEMP-REPARATIO, Emperor bare headed and in military dress standing left, holding labarum in his right hand, resting left hand on shield. Two bound captives standing and leaning to the left before him.
Die Orientation: 0 H
Weight: 4 g
Reverse: two soldiers standing either side of a standard (o on banner); GLOR_IA EXERC_ITVS / SMNΓ
Die Orientation: -
Weight: 1.8 g
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Reverse: PROVIDEN-TIAE CAESS: Camp gate with two turrets, without doors, with varying number of stone layers; star above. MintMark: -/-//SMNB
Die Orientation: -
Weight: 3.18 g
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Reverse: GENIO POPVLI ROMANI CMH (in ligature), Genius, wearing modius, nude, chlamys draped over left shoulder, standing facing left, pouring liquid from patera in right hand and holding cornucopia in left; SMNB in exergue
Die Orientation: 12 H
Weight: 6.68 g
Reverse: GLORIA ROMANORVM. Arcadius in military attire on horseback pacing right, his right hand raised
Die Orientation: 0 H
Weight: 1.4 g
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Reverse: IOVI CONS-ERVATORI Jupiter standing left, wearing chlamys (cloak) across left shoulder, holding Victory on globe left and eagle-tipped sceptre right, eagle with wreath in lower left field and N over G (Gamma) in right field. Exergue: SMN
Die Orientation: -
Weight: 2.8 g
Reverse: Jupiter standing left, holding Victory and scepter; eagle to left; IOVI CONS_ERVATORI / Z / SMN
Die Orientation: -
Weight: 3.68 g
Reverse: GENIO AVGVSTI CMH
Die Orientation: 0 H
Weight: 6.78 g
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Reverse: SOLI INVICTO, Sol standing facing left in long robe, with raised right hand and holding up head of Serapis in left, star Γ to left, Mintmark SMN
Die Orientation: 6 H
Weight: 3.22 g
Reverse: Centaur Chieron walking right, wearing cloak, playing lyre BAΣIΛEΩΣ ΠPOYΣIOY (NΦ)
Die Orientation: -
Weight: 5.5 g
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Reverse: GLORIA REIPVBLICAE, Roma and Constantinople facing each other, each holding a scepter and together holding a shield inscribed VOT V MVLT X; SMNI in exergue
Die Orientation: 5 H
Weight: 4.06 g
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Reverse: RESTITVTOR REIPVBLICAE, Valentinian standing, looking right, in military dress, holding labarum and Victory on globe; SMNA in exergue
Die Orientation: 6 H
Weight: 8.65 g
Reverse: Roma seated facing, head left, wearing helmet, holding globe and spear; CONCOR_DIA AVGGG / SMNB
Die Orientation: -
Weight: 3 g