Maximian Emperor of the Roman Empire from 286 to 310.
Marcus Aurelius Valerius Maximianus Herculius Augustus was Roman Emperor from 286 to 305.

He was Caesar from 285 to 286, then Augustus from 286 to 305. He shared the latter title with his co-emperor and superior, Diocletian, whose political brain complemented Maximian's military brawn.

In late 306, Maximian took the title of Augustus again and aided his son Maxentius' rebellion in Italy. In 308, Diocletian and his successor, Galerius, forced Maximian to renounce his imperial claim again. In early 310, Maximian attempted to seize Constantine's title. Few supported him, and he was captured by Constantine in Marseille. Maximian killed himself in mid-310 on Constantine's orders.
Maximian
Epithet: Herculius ("Hercules-like")
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An BL Tetradrachm struck 291-292 AD in Alexandria
Obverse: laureate, draped and cuirased bust right; MAΞIMI_ANOC CEB

Reverse: Nike with wreath and palm branch advancing right; L_* / Z

Diameter: -
Die Orientation: -
Weight: 7.09 g
29 Aug 291 - 28 Aug 292 AD
Milne 5031, Curtis 2101, Geissen 3319, SNG Cop 1048, BMC 2580
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An AE Follis struck 306-307 AD in Aquileia
Obverse: IMP MAXIMIANUS P F AVG, laureate head right

Reverse: FIDES MILITVM AVGG ET CAESS NN, Fides standing holding standard in each hand, AQP in exergue

Diameter: 28 mm
Die Orientation: 0 H
Weight: 9 g
No notes for this coin
RIC VI 60b
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An BL Antoninianus struck 295-296 AD in Cyzicus
Obverse: IMP C M A MAXIMIANVS PF AVG, radiate, draped, cuirassed bust right

Reverse: CONCORDIA MI-LITVM, Emperor standing right, receiving Victory on globe from Jupiter, standing left and holding sceptre. KΔ in lower centre

Diameter: 23 mm
Die Orientation: 0 H
Weight: 3.6 g
No notes for this coin
RIC16b
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An AE Follis struck 305-307 AD in Treveri
Obverse: IMP MAXIMIANVS P F AVG, Bust of Maximian facing right, wearing laurel wreath, and cuirass

Reverse: GENIO POPVLI ROMANI, Genius standing facing, head left, tower on head, naked but for chlamys over left shoulder, holding patera and cornucopia; SF in fields; PTR in exergue

Diameter: 29 mm
Die Orientation: 6 H
Weight: 9.69 g
PTR= First officina at Treveri
RIC VI Treveri 642b
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An AE unit struck 296-297 A.D. in Alexandria
Obverse: IMP C M A MAXIMIANVS P F AVG Radiate, draped, cuirassed bust right

Reverse: CONCORDIA MIL_ITVM Emperor standing right in military dress, short scepter in left hand, receiving Victory on globe from Jupiter standing left, scepter in left hand

Diameter: 20.8 mm
Die Orientation: 0 H
Weight: 2.5 g

10, ALE in exergue

RIC VI, 46b
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An AE unit struck 299 A.D. in Ticinum
Obverse: IMP C M A MAXIMIANVS PF AVG, radiate head right.

Reverse: VOT XX P in three lines within wreath.

Diameter: 19.5 mm
Die Orientation: 0 H
Weight: 3.32 g
No notes for this coin
RIC 36b
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An AE Follis struck AD 307 in Londinium
Obverse: D N MAXIMIANO P F S AVG, laureate and cuirassed bust right

Reverse: GENIO POP ROM, Genius standing left, holding patera and cornucopiae; PLN in exergue

Diameter: 25 mm
Die Orientation: 5 H
Weight: 6.14 g
No notes for this coin
RIC 85; S 704; Sear 13444
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An BL Follis struck 305-306 AD in Aquileia
Obverse: laureate bust dressed in imperial mantle right holding olive-branch and mappa; D N MAXIMIANO BAEATISSIMO SEN AVG

Reverse: Quies standing left extending hand against Providentia who is holding scepter and branch; PROVIDENTIA DEORVM QVIES AVGG / S_·_F / AQS

Diameter: -
Die Orientation: -
Weight: 11.27 g
abdication follis
RIC VI Aquileia 63b
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An AE Half-Follis struck 318-319 AD in Siscia
Obverse: Veiled laureate head right; DIVO MAXIMIANO SEN FORT IMP

Reverse: Emperor seated left on curule chair, holding short scepter, raising right hand; REQVIES OPTIM_ORVM MERITORVM / SIS

Diameter: -
Die Orientation: -
Weight: 1.16 g
struck by Constantine I
RIC VII Siscia 41
(10) Maximian
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An AR Argenteus struck 295 AD in Ticinum
Obverse: laureate head right; MAXIMIA_NVS AVG

Reverse: tetrarchs sacrificing before six-turreted enclosure; VIRTVS_MILITVM

Diameter: -
Die Orientation: -
Weight: 2.92 g
No notes for this coin
RIC 18b; RSC 622d
(11) Maximian
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An AE Follis struck c. AD 305 in Londinium
Obverse: IMP C MAXIMIANVS P F AVG, laureate and cuirassed bust right

Reverse: GENIO POPV-LI ROMANI, Genius standing left, holding patera and cornucopiae

Diameter: 29 mm
Die Orientation: 5 H
Weight: 9.57 g
No notes for this coin
CT 4.03.004; RIC 42
(12) Maximian
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An AR Argenteus struck 295-297 in Rome
Obverse: MAXIMIANVS AVG, laureate head right

Reverse: VICTORIA SARMAT, tetrarchs sacrificing over tripod before city enclosure with six turrets

Diameter: 18 mm
Die Orientation: -
Weight: 2.6 g
No notes for this coin
RIC VI 31b, RSC 548f
(13) Maximian
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An AE Follis struck 302-305 in Aquileia
Obverse: IMP MAXIMIANVS P F AVG, laureate head right

Reverse: SACR MONET AVGG ET CAESS NOSTR, Moneta standing left, holding scales and cornucopiae, VI in right field, AQP in exergue.

Diameter: 27 mm
Die Orientation: -
Weight: 10.32 g
No notes for this coin
No references provided for this coin
(14) Maximian
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An AE Antoninianus struck 293 AD in Cyzicus
Obverse: IMP C M A MAXIMIANVS AVG / radiate and cuirassed bust right

Reverse: CONCORDIA MILITVM / Jupiter presents Victory on a globe to Maximianus; Delta between; XXI(dot) in exergue

Diameter: 20 mm
Die Orientation: -
Weight: 3.75 g
No notes for this coin
RIC 607
(15) Maximian
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An BL Antoninianus struck AD 291 in Lugdunum
Obverse: IMP MAXIMIANVS AVG, radiate and cuirassed bust right

Reverse: PAX AVGG, Pax standing left, holding Victory on globe and transverse sceptre; III in exergue

Diameter: 23 mm
Die Orientation: 12 H
Weight: 3.59 g
No notes for this coin
RIC 399 var. (rev. legend)
(16) Maximian | Carausius
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An BL Antoninianus struck 292-293 AD in Londinium
Obverse: radiate and cuirassed bust right; IMP C MAXIMIANVS P F AVG

Reverse: Pax standing half left holding palm branch and long scepter; PAX__A_VGGG/ S_P / MLXXI

Diameter: -
Die Orientation: -
Weight: 3.4 g
292 - mid 293 AD
RIC V 34