Heraclea — A settlement in Thrace also known as Perinthus - Perinthos
Heraclea, the Greek city of Perinthos, later known as Heraclea Thraciae to distinguish it from Heraclea Pontica, is now Eregli in the European part of Turkey.

A Roman mint was established here by Diocletian shortly before his coin reform, and it was in use until the times of Theodosius II.

Modern location: Eregli, Turkey
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An BL Half-Centenionalis struck 383-386 AD in Heraclea
Obverse: AEL FLACCILLA AVG - Diademed, draped bust bust right.

Reverse: SALVS REIPVBLICAE, Victory seated right, inscribing chi-rho monogram on shield set on cippus before her

Diameter: 15 mm
Die Orientation: 0 H
Weight: 1.1 g
First wife of Theodosius I.
RIC 17, Sear 20625
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An AE Half-Centenionalis struck 330-333 AD in Heraclea
Obverse: helmeted, bust of Roma left wearing imperial cloak; VRBS__ROMA

Reverse: she-wolf and twins Romulus and Remus, * * above; •SMHE

Diameter: -
Die Orientation: -
Weight: 2.71 g
No notes for this coin
RIC VII Heraclea 119
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An BL Centenionalis struck AD 342-348 in Heraclea
Obverse: DN CONSTANS PF AVG, diademed head right

Reverse: VOT XX MVLT XXX, in four lines within wreath

Diameter: 14 mm
Die Orientation: 0 H
Weight: 1.4 g
No notes for this coin
Sear 18641
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An AE Follis struck 324 AD in Heraclea
Obverse: CONSTANTINVS AVG, laureate head right

Reverse: DN CONSTANTINI MAX AVG around VOT/XXX in two lines within wreath. Mintmark SMHB.

Diameter: -
Die Orientation: -
Weight: -
No notes for this coin
RIC VII 60,B
(5) Constantine I
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An BL Centenionalis struck 317 AD in Heraclea
Obverse: laureate bust left wearing imperial mantle, holding mappa and scepter; IMP CONSTA_NTINVS AVG

Reverse: Camp gate with 3 turrets, 6 layers; PROVIDEN_TIAE AVGG / MHTB

Diameter: -
Die Orientation: -
Weight: 3.2 g
No notes for this coin
RIC VII Heraclea 16; SRCV 16032
(6) Constantine I
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An AE Follis struck Early 313 AD in Heraclea
Obverse: Laureate head right; IMP C FL VAL CONSTANTINVS P F AVG

Reverse: Jupiter standing left, holding Victory and scepter; eagle to left; IOVI CONSER_VATORI AVGG / B / SMHT

Diameter: -
Die Orientation: -
Weight: 2.89 g
No notes for this coin
RIC VI Heraclea 75
(7) Constantine I
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An AR Centenionalis struck 321-324 AD in Heraclea
Obverse: laureate head right; CONSTAN_TINVS AVG

Reverse: VOT / · / XX / * within wreath; D N CONSTANTINI MAX AVG / SMHA·

Diameter: 20 mm
Die Orientation: -
Weight: 2.77 g
No notes for this coin
RIC VII Heraclea 64
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An AE Centenionalis struck 326-327 AD in Heraclea
Obverse: diademed head right (with every other section holding 2 pearls each); CONSTAN_TINVS AVG

Reverse: VOT / • / XXX within wreath; DN CONSTANTINI MAX AVG / •SMHB

Diameter: -
Die Orientation: -
Weight: 2.97 g
No notes for this coin
RIC VII Heraclea 90
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An AE Follis struck 324 AD in Heraclea
Obverse: CONSTANTINVS IVN NOB C, Bust of Constantine II facing right, wearing laurel wreath, cuirass, and drapery

Reverse: PROVIDENTIAE CAESS, Campgate of six layers with three turrets on top, no door, star above; .SMHB. in exergue

Diameter: 20 mm
Die Orientation: 6 H
Weight: 2.6 g
Constantine II as Caesar under Constantine I "the Great"
Second officina in Heraclea mint
RIC VII Heraclea 67
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An AE Centenionalis struck 327-329 AD in Heraclea
Obverse: laureate, draped and cuirassed bust right; CONSTANTINVS IVN NOB C

Reverse: Camp gate with 2 turrets, 8 layers * above; PROVIDEN_TIAE CAES S / · / SMHB

Diameter: 19 mm
Die Orientation: -
Weight: 2.54 g
No notes for this coin
RIC VII Heraclea 96
(11) Constantius I
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An AE Follis struck 305-306 AD in Heraclea
Obverse: IMP C FL VAL CONSTANTIVS PF AVG / laureate head right

Reverse: GENIO POPV-L-I ROMANI / Genius standing left, modius on head, naked except for chlamys over left shoulder, holding patera from which liquid flows, and cornucopiae. Mintmark: HTA

Diameter: -
Die Orientation: -
Weight: 10.59 g
No notes for this coin
RIC VI Heraclea 24a
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An AE Post-reform Radiate struck 295-296 AD in Heraclea
Obverse: radiate, cuirassed bust right; FL VAL CONSTANTIVS NOB CAES

Reverse: Constantius I standing right on left, holding scepter, receiving Victory on globe from Jupiter to right, holding scepter; CONCORDIA MILI_TVM / HB

Diameter: -
Die Orientation: -
Weight: 2.1 g
No notes for this coin
RIC VI Heraclea 15
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An AE Half-Centenionalis struck 330-333 AD in Heraclea
Obverse: laureate, draped and cuirassed bust right; FL IVL CONSTANTIVS NOB C

Reverse: two soldiers standing either side of two standards; GLOR_IA EXERC_ITVS / SMHΔ*

Diameter: 17 mm
Die Orientation: -
Weight: 2.35 g
No notes for this coin
RIC VII Heraclea 138
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An AE Maiorina struck 351-355 AD in Heraclea
Obverse: pearl-diademed, draped and cuirassed bust right; D N CONSTAN_TIVS P F AVG / Δ

Reverse: soldier spearing falling horseman (bare-headed); FEL TEMP RE_PARATIO / S / SMH?

Diameter: 19 mm
Die Orientation: -
Weight: 3.82 g
15.3.351 - 6.11.355 AD
Heraclea 88
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An AE Centenionalis struck 351-355 AD in Heraclea
Obverse: pearl-diademed, draped and cuirassed bust right; D N CONSTAN_TIVS P F AVG

Reverse: soldier spearing falling horseman (Phrygian helmet); FEL TEMP__REPARATIO / SMH{A,B,Γ,Δ,E}

Diameter: 16.5 mm
Die Orientation: -
Weight: 2.75 g
15.3.351 - 6.11.355 AD
Heraclea 90
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An AE Centenionalis struck 351-355 AD in Heraclea
Obverse: pearl-diademed draped and cuirassed bust right; D N CONSTAN_TIVS P F AVG

Reverse: spearing falling horseman with Phrygian helmet, reaching backwards; FEL TEMP__REPARATIO / SMH{A,Δ}

Diameter: -
Die Orientation: -
Weight: 1.67 g
15.3.351 - 6.11.355 AD
Heraclea 90
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An AE Half-Centenionalis struck 337-340 AD in Heraclea
Obverse: pearl-rosette-diademed head right; CONSTAN_TIVS AVG

Reverse: two soldiers standing either side of a standard; GLOR_IA EXERC_ITVS / SMHA

Diameter: -
Die Orientation: -
Weight: 1.86 g
IX 337 - spring 340 AD
RIC VIII Heraclea 22
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An AE Follis struck 297-298 AD in Heraclea
Obverse: IMP C C VAL DIOCLETIAN P F AVG, Laureate bust right

Reverse: GENIO POPVLI ROMANI, Genius standing left, holding patera and cornucopia

Diameter: 0 mm
Die Orientation: 0 H
Weight: 0 g
No notes for this coin
RIC VI 19a
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An AE Follis struck 297-298 AD in Heraclea
Obverse: IMP C C VAL DIOCLETIANVS P F AVG, Head of Diocletian facing right, wearing laurel wreath

Reverse: GENIO POPVLI ROMANI, Genius standing facing left, pouring libation from patera and holding cornucopia; HTB in exergue

Diameter: 29 mm
Die Orientation: 12 H
Weight: 9.29 g
No notes for this coin
RIC VI Heraclea 19a
(20) Galerius
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An AE Follis struck 308-309 AD in Heraclea
Obverse: laureate head right; IMP GAL VAL MAXIMIANVS P F AVG

Reverse: Genius standing left, pouring out patera and holding cornucopia; GENIO IMP_E_RATORIS / ·HTA·

Diameter: 25 mm
Die Orientation: -
Weight: 8.43 g
No notes for this coin
RIC VI Heraclea 37a
(21) Geta
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An AE unit struck 209-211 AD in Perinthus
Obverse: draped bust right from behind; Λ'CEΠTI Γ_ETAC KAICAP

Reverse: hexastyle temple; Π_E / PI_NΘ / I_Ω / N NEOKO / PΩN

Diameter: -
Die Orientation: -
Weight: 1.9 g
No notes for this coin
Varbanov 317; Schönert 634
(22) Licinius
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An AE Follis struck 313-314 A.D. in Heraclea
Obverse: IMP C VAL LICIN LICINIVS PF AVG, Laureate head right

Reverse: IOVI CONS-ERVATORI AVGG, Jupiter standing left, chlamys hanging from left shoulder, holding Victory on globe and sceptre, eagle at foot left. Γ in right field.

Diameter: 21 mm
Die Orientation: -
Weight: 3 g
20 , Mintmark SMHT
RIC VI 73, Γ
(23) Licinius
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An AE Follis struck 315-316 AD in Heraclea
Obverse: laureate head right; IMP C VAL LICIN LICINIVS P F AVG

Reverse: Jupiter standing left, holding Victory and scepter; eagle to left; IOVI CONS_ERVATORI AVG / HTA

Diameter: -
Die Orientation: -
Weight: 3.86 g
No notes for this coin
RIC VII Heraclea 13
(24) Licinius
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An AE Follis struck early 313 AD in Heraclea
Obverse: laureate head right; IMP C VAL LICIN LICINIVS P F AVG

Reverse: Jupiter standing left, holding Victory and scepter; eagle to left; IOVI CONSER_VATORI AVGG / A / SMHT

Diameter: 22 mm
Die Orientation: -
Weight: 3.49 g
No notes for this coin
RIC VI Heraclea 73
(25) Licinius II
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An AE Follis struck 321-324 AD in Heraclea
Obverse: DN VAL LICIN LICINIVS NOB C, helmeted, cuirassed bust left, holding spear and shield

Reverse: IOVI CONSERVATORI, Jupiter standing left, holding Victory on globe and sceptre, eagle with wreath in beak at foot left, captive at foot right, X over II Mu in right field. Mintmark SMHB

Diameter: -
Die Orientation: -
Weight: -
No notes for this coin
RIC VII Heraclea 54; Sear 15407.
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An AE Centenionalis struck 318-320 AD in Heraclea
Obverse: laureate, draped bust left, holding mappa and scepter on globe; D N VAL LICIN LICINIVS NOB C

Reverse: Camp gate with 3 turrets, 5 layers; PROVIDEN_TIAE CAESS / · / SMHΔ

Diameter: 18 mm
Die Orientation: -
Weight: 2.47 g
No notes for this coin
RIC VII Heraclea 31
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An AE Follis struck 308-309 AD in Heraclea
Obverse: laureate head right; GAL VAL MAXIMINVS NOB CAES

Reverse: Genius standing left, pouring out patera and holding cornucopia; GENIO CA_ESARIS / ·HTΔ·

Diameter: -
Die Orientation: -
Weight: 7.97 g
No notes for this coin
RIC VI Heraclea 36
(28) Nero
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An AE unit struck 66-68 AD in Perinthus
Obverse: NERO CLAVDIVS CAESAR AVG GERM P M TR P, Head of Nero facing right, wearing laurel wreath; ΓAΛBA countermark in rectangular punch

Reverse: Eagle standing facing right on globe; SC in fields

Diameter: 28 mm
Die Orientation: 6 H
Weight: 9.68 g
The obverse inscription translates to: "Nero Claudius Caesar Augustus Germanicus, High Priest, Holding the Power of the Tribune of the Plebs"

The countermark of course translates to "Galba", very intentionally struck over Nero's face.
RPC I 1762; c/m Martini 92
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An AE unit struck 98-102 AD in Perinthus
Obverse: radiate head right; NEPOVAN ΘEON ΣEBAΣTO

Reverse: veiled Demeter? standing left, holding grain ears and scepter; ΠEP_IN_ΘIΩN

Diameter: -
Die Orientation: -
Weight: 10.4 g
No notes for this coin
Schönert S. 143 und Taf. 15, 317; Lanz 106 (2001), 365.