Licinius Emperor of the Roman Empire from 308 to 324.
Gaius Valerius Licinianus Licinius Augustus was a Roman emperor from 308 to 324. Born to a Dacian peasant family, Licinius was a close friend and ally of emperor Galerius.

For most of his reign he was the colleague and rival of Constantine I, with whom he co-authored the Edict of Milan that granted official toleration to Christians in the Roman Empire.

In 324, he was finally defeated by Constantine after almost a decade of on-and-off civil war. He was spared at first, but then hanged a year later.
Licinius
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An BL Follis struck 313-315 AD in Siscia
Obverse: IMP LIC LICINIVS VF AVG

Reverse: IOVI CONSERVATORI, Jupiter standing left holding victory on globe and sceptre, eagle at feet to left

Diameter: 22 mm
Die Orientation: 0 H
Weight: 3.4 g
No notes for this coin
Sear 15211
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An BL Follis struck 313-315 AD in Siscia
Obverse: IMP LIC LICINIVS PF AVG

Reverse: IOVI CONSERVATORI, Jupiter standing left holding victory on globe and sceptre, eagle at feet to left

Diameter: 21 mm
Die Orientation: 0 H
Weight: 2.9 g
No notes for this coin
Sear 15211
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An AE Follis struck AD 313-315 in Siscia
Obverse: IMP LIC LICINIVS PF AVG, laureate head right

Reverse: IOVI CON-SERVATORI, Jupiter standing left, holding victory and sceptre, eagle at foot with wreath in its beak, Δ to right

Diameter: 0 mm
Die Orientation: 0 H
Weight: 0 g
No notes for this coin
RIC VII 8,D
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An AE Follis struck AD 313-315 in Siscia
Obverse: IMP LIC LICINIVS PF AVG, laureate head right

Reverse: IOVI CON-SERVATORI, Jupiter standing left, holding victory and sceptre, eagle at foot with wreath in its beak, e to right

Diameter: 0 mm
Die Orientation: 0 H
Weight: 0 g
No notes for this coin
RIC VII 8,E
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An AE Follis struck 310-313 AD in Treveri
Obverse: IMP LICINIVS P F AVG, Bust of Licinius facing right, wearing laurel wreath, and cuirass

Reverse: GENIO POP ROM, Genius standing facing, head left, wearing tower headdress, holding patera and cornucopia; T F in fields; BTR in exergue

Diameter: 21 mm
Die Orientation: 6 H
Weight: 3.04 g
GENIO POP ROM=" To the genius (guardian spirit) of the people of Rome"

BTR is a bit strange and I belive it is an engraving error as only PTR exists for this which follows perfect logic as in the west officina were "numbered" via the first letter in the Latin words for first, second (prima, secunda) etc., and in the east they did the same but with the Greek words (alpha, beta) etc.

There is also substantial die wear causing the first four letters of the obverse inscription to be almost entirely missing when striking the coin.
RIC VI Treveri 845b
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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
/Files/Images/Coinsite/CoinDB/LiciniusI(1).jpg
An AE Follis struck 313-315 AD in Siscia
Obverse: IMP LIC LICINIVS PF AVG Laureate head of Licinius I to right.

Reverse: IOVI CON-SERVATOR / Γ / SIS Jupiter standing front, head to left, holding Victory on globe, with wreath in her right hand and palm frond over her left shoulder, in his right hand and long scepter with his left; at feet, eagle with wreath in his beak.

Diameter: 20 mm
Die Orientation: -
Weight: 3.42 g
Licinius I (c. 263 – 325 AD) was a Roman emperor from 308 to 324. For most of his reign he was the colleague and rival of Constantine I, with whom he co-authored the Edict of Milan that granted official toleration to Christians in the Roman Empire. He was finally defeated at the Battle of Chrysopolis, 18 September 324 AD, and was later executed on the orders of Constantine I.
RIC 8
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An AE Follis struck 313-317 AD in Nicomedia
Obverse: IMP C VAL LICIN LICINIVS PF AVG Laurete head right

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

Diameter: 23 mm
Die Orientation: -
Weight: 2.8 g
No notes for this coin
RIC VII Nicomedia 15. RIC rarity: R1 (Rare)
/Files/Images/Coinsite/CoinDB/319_Licinius_Jupiter_Cyzicus.jpg
An AE Follis struck 313-315 AD in Cyzicus
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 / A / SMK

Diameter: -
Die Orientation: -
Weight: 2.86 g
No notes for this coin
RIC VII Cyzicus 4
(10) Licinius
/Files/Images/Coinsite/CoinDB/330_Licinius_I_Heraclea.jpg
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
(11) Licinius
/Files/Images/Coinsite/CoinDB/377_Licinius_Rome.jpg
An AE Follis struck 312-313 AD in Rome
Obverse: laureate and cuirassed bust right; IMP LICINIVS P F AVG

Reverse: Sol standing right, head left, raising his right hand, globe in his left hand; SOLI INV_IC_TO COMITI / RQ

Diameter: -
Die Orientation: -
Weight: 3.8 g
No notes for this coin
RIC VI Rome 336c - new legend break (only IN-VI-CTO or INV-I-CTO are listed)
(12) Licinius
/Files/Images/Coinsite/CoinDB/409_Licinius_Cyzicus.jpg
An AE Follis struck 313-315 AD in Cyzicus
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 / Δ / SMK

Diameter: -
Die Orientation: -
Weight: 3.6 g
No notes for this coin
RIC VII Cyzicus 4
(13) Licinius
/Files/Images/Coinsite/CoinDB/683_Licinius_Siscia.jpg
An AE Follis struck 313-315 AD in Siscia
Obverse: laureate head right; IMP LICINIVS P F AVG

Reverse: Jupiter standing half left, wearing chalmys, holding Victory with wreath on globe, and long scepter; eagle left, head turned back, wreath in beak; IOVI CON_SERVATORI / B / SIS

Diameter: -
Die Orientation: -
Weight: -
No notes for this coin
RIC VII Siscia 11
(14) Licinius
/Files/Images/Coinsite/CoinDB/961_Licinius_Thessalonica.jpg
An AE Follis struck 308-311 AD in Thessalonica
Obverse: laureate head right; VAL•LICINIVS P F AVG

Reverse: Genius standing left, chalmys over shoulder, holding cornucopia, pouring libations from patera; GENIO A_VGVSTI / *_A / •SM•TS•

Diameter: -
Die Orientation: -
Weight: 4.8 g
No notes for this coin
RIC VI Thessalonica 30b
(15) Licinius
/Files/Images/Coinsite/CoinDB/318_Licinius_Jupiter_Cyzicus.jpg
An AE Follis struck 313-315 AD in Cyzicus
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 / A / SMK

Diameter: -
Die Orientation: -
Weight: 3.47 g
No notes for this coin
RIC VII Cyzicus 4
(16) Licinius
/Files/Images/Coinsite/CoinDB/51_Licinius_Heraclea.jpg
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
(17) Licinius
/Files/Images/Coinsite/CoinDB/91_Licinius_Nicomedia.jpg
An AE Follis struck 313-317 AD in Nicomedia
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 / Z / SMN

Diameter: 21 mm
Die Orientation: -
Weight: 3.68 g
No notes for this coin
RIC VII Nicomedia 13
(18) Licinius
/Files/Images/Coinsite/CoinDB/Licinius_Jupiter_E_SIS.jpg
An AE Follis struck 313 AD in Siscia
Obverse: laureate, draped and cuirassed bust right; IMP LIC LICINIVS P F AVG

Reverse: Jupiter standing left, holding Victory and scepter; eagle to left; IOVI CONS_ERVATORI AVGG NN / E / SIS

Diameter: -
Die Orientation: -
Weight: 3.52 g
No notes for this coin
RIC VI Siscia 234a
(19) Licinius
/Files/Images/Coinsite/CoinDB/Licinius_Jupiter_G_SIS.jpg
An AE Follis struck 313 AD in Siscia
Obverse: laureate head right; IMP LIC LICINIVS P F AVG

Reverse: Jupiter standing left, holding Victory on globe and scepter; eagle to left; IOVI CON_SERVA_TORI AVGG NN / Γ / SIS

Diameter: -
Die Orientation: -
Weight: 3.18 g
No notes for this coin
RIC VI Siscia 232a
(20) Licinius
/Files/Images/Coinsite/CoinDB/266_Licinius.jpg
An AE Follis struck 317-320 AD in Cyzicus
Obverse: laureate, draped bust left, holding mappa and scepter on globe; IMP LICI_NIVS AVG

Reverse: Jupiter standing left, holding Victory and scepter; wreath to left; IOVI CONS_ERVATORI AVGG / E / SMK

Diameter: -
Die Orientation: -
Weight: 3.01 g
No notes for this coin
RIC VII Cyzicus 9
(21) Licinius
/Files/Images/Coinsite/CoinDB/573_Licinius_I.jpg
An AE Centenionalis struck 319 AD in Arelatum
Obverse: laureate cuirassed bust right; IMP LICI_NIVS AVG

Reverse: emperor borne by eagle standing right, left wing pointing downwards, looking back; emperor holds sceptre in left hand and thunderbolt in right; IOVI CONSERVARI AVG / PARL

Diameter: -
Die Orientation: -
Weight: 3.18 g
smoothed
RIC VII Arles 196
(22) Licinius
/Files/Images/Coinsite/CoinDB/Licinius_I_(Obv_and_Rev)_2.jpg
An BL Follis struck c. AD 311-31 in Londinium
Obverse: IMP LICINIVS P F AVG, laureate and cuirassed bust right

Reverse: GENIO POU ROM, Genius standing left, holding patera and cornucopiae; star in right field, PLN in exergue

Diameter: 23 mm
Die Orientation: 7 H
Weight: 3.87 g
Lee Toone, author of ‘The London Mint of Constantius & Constantine’ has pointed out to me that this coin has an interesting orthographical error on the reverse and reads 'POU' rather than 'POP'. He had not seen an error like this before and suggests that it seems like a punch for a C/G being used on its side.
CT 7.05.006; RIC 209c; S 717; Sear 15182
(23) Licinius
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An AE Follis struck 315-316 AD in Antioch
Obverse: IMP LIC LICINIVS P F AVG / bust right, laureate, draped and cuirassed

Reverse: IOVI CONSERVATORI AVGG NN / Jupiter standing left, Victory on globe in right hand; eagle with wreath to left on ground. Epsilon I in right field

Diameter: 20.4 mm
Die Orientation: -
Weight: 4.2 g
No notes for this coin
RIC VII 17 Antioch