Valentinian I Emperor of the Roman Empire from 364 to 375.
Flavius Valentinianus Augustus, also known as Valentinian the Great, was Roman emperor from 364 to 375. Upon becoming emperor he made his brother Valens co-emperor, giving him rule of the east while Valentinian retained the west.

Valentinian fought successfully against the Alamanni, Quadi, and Sarmatians. His brilliant general Count Theodosius defeated a revolt in Africa and the Great Conspiracy, a coordinated assault on Roman Britain by Picts, Scots, and Saxons. He rebuilt and improved the fortifications along the frontiers, even building fortresses in enemy territory.

He is often considered to be the "last great western emperor", and founded the Valentinian Dynasty, with his sons Gratian and Valentinian II succeeding him in the western half of the empire.
Valentinian I
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An AE Centenionalis struck 365 in Aquileia
Obverse: DN VALENTINIANVS PF AVG,

Reverse: SECVRITAS REIPUBLICAE, Victory advancing left holding wreath and palm, D in left field

Diameter: 18 mm
Die Orientation: 0 H
Weight: 2.5 g
No notes for this coin
Sear 19492
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An AE Centenionalis struck AD 367 in Siscia
Obverse: DN VALENTINIANUS PF AVG, Diademed, draped and cuirrassed bust right

Reverse: GLORIA ROMANORVM, Valentininan in military attire advancing right, head left, dragging captive by the hair with right hand and holding labarum in left hand, R in right field

Diameter: 18 mm
Die Orientation: 0 H
Weight: 1.9 g
No notes for this coin
Sear 18448
/Files/Images/Coinsite/CoinDB/Valentinianus3.jpg
An AE Centenionalis struck 364-367 AD in Siscia
Obverse: DN VALENTINIANUS PF AVG, Diademed, draped and cuirrassed bust right

Reverse: GLORIA ROMANORVM, Valentininan in military attire advancing right, head left, dragging captive by the hair with right hand and holding labarum in left hand * A in right field

Diameter: 0 mm
Die Orientation: 0 H
Weight: 0 g
No notes for this coin
Sear 19447
/Files/Images/Coinsite/CoinDB/Valentinianus1.jpg
An AE Centenionalis struck 367-375 AD in Siscia
Obverse: DN VALENTINIANUS PF AVG, Diademed, draped and cuirrassed bust right

Reverse: GLORIA ROMANORVM, Valentininan in military attire advancing right, head left, dragging captive by the hair with right hand and holding labarum in left hand. *F in right field, M in left field.

Diameter: 0 mm
Die Orientation: 0 H
Weight: 0 g
No notes for this coin
Sear 19450
/Files/Images/Coinsite/CoinDB/Valentinianus4.jpg
An AE Centenionalis struck 367 AD in Siscia
Obverse: DN VALENTINIANVS PF AVG, diademed, draped and cuirassed bust right

Reverse: SECVRITAS REIPVBLICAE, Victory advancing left holding wreath and palm, R in left field

Diameter: 0 mm
Die Orientation: 0 H
Weight: 0 g
No notes for this coin
Sear 19507
/Files/Images/Coinsite/CoinDB/valentinian1.jpg
An AE Centenionalis struck 367-375 A.D. in Siscia
Obverse: DN VALENTINI-ANVS PF AVG, pearl diademed, draped, cuirassed bust right

Reverse: GLORIA RO-MANORVM, Emperor in military dress, walking right, head left, holding labarum, dragging captive behind him. Left field: S. Right field: D. Mintmark: BSISC.

Diameter: 17 mm
Die Orientation: 0 H
Weight: 2.6 g

15

RIC IX 14a,xiii
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An AE Centenionalis struck 367-375 A.D. in Siscia
Obverse: DN VALENTINI-ANVS PF AVG, pearl diademed, draped, cuirassed bust right.

Reverse: SECVRITAS-REIPVBLICAE, Victory advancing left, holding wreath and palm.

Diameter: 17 mm
Die Orientation: -
Weight: 2.11 g
Star over R over O in left field, M over dot in right field. Mintmark: gamma SISC.
Siscia RIC IX 15a, xxi
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An AE Follis struck 364-375 A.D. in Siscia
Obverse: DN VALENTINI-ANVS PF AVG, pearl diademed, draped, cuirassed bust right

Reverse: GLORIA RO-MANORVM, Emperor in military dress, walking right, head left, holding labarum, dragging captive behind him.

Diameter: 17 mm
Die Orientation: 0 H
Weight: 2.25 g

No fieldmarks. Mintmark: dot BSISC. RIC IX Siscia 5a, type ii.

Siscia RIC 5a, ii, B
/Files/Images/Coinsite/CoinDB/89_Valentinianus_I_ASISC.jpg
An AE Centenionalis struck 364-367 AD in Siscia
Obverse: pearl-diademed, draped and cuirassed bust right; D N VALENTINI_ANVS P F AVG

Reverse: Valens advancing right, dragging captive and holding labarum; GLORIA RO_MANORVM / ASISC

Diameter: 18 mm
Die Orientation: -
Weight: 2.06 g
25.2.364 - 24.8.367 AD
RIC IX Siscia 5a, type i
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An AE Centenionalis struck 364-367 AD in Arelatum
Obverse: pearl-diademed, draped and cuirassed bust right; D N VALENTI_NIANVS P F AVG

Reverse: Valens advancing right, dragging captive and holding labarum; GLORIA RO_MANORVM / OF _ II / CONST

Diameter: 16.5 mm
Die Orientation: -
Weight: 1.9 g
25.2.364 - 24.8.367 AD
RIC IX Arles 7a, type ii(b)
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An AE Centenionalis struck 364-367 AD in Thessalonica
Obverse: pearl-diademed, draped and cuirassed bust right; D N VALENTINI_ANVS P F AVG

Reverse: Valens advancing right, dragging captive and holding labarum; GLORIA RO_MANORVM / wreath / TES{A,B}

Diameter: 17.5 mm
Die Orientation: -
Weight: 2.11 g
25.2.364 - 24.8.367 AD
RIC IX Thessalonica 16a, type vi
/Files/Images/Coinsite/CoinDB/180_Valentinian_I_D_DDSISC.jpg
An AE Centenionalis struck 367-375 AD in Siscia
Obverse: pearl-diademed, draped and cuirassed bust right; D N VALENTINI_ANVS P F AVG

Reverse: Victory advancing left, holding wreath and palm; SECVRITAS__REIPVBLICAE / D / *ΔSISC

Diameter: 17 mm
Die Orientation: -
Weight: 1.82 g
24.8.367 - 17.11.375 AD
RIC IX Siscia 15a, type xi
/Files/Images/Coinsite/CoinDB/305_Valentinian_I_.GSISC.jpg
An AE Centenionalis struck 364-367 AD in Siscia
Obverse: pearl-diademed, draped and cuirassed bust right; D N VALENTINI_ANVS P F AVG

Reverse: Valentinian advancing right, dragging captive and holding labarum; GLORIA RO_MANORVM / * / A / ·ΓSISC

Diameter: -
Die Orientation: -
Weight: 1.89 g
25.2.364 - 24.8.367 AD
RIC IX Siscia 5a, type v
/Files/Images/Coinsite/CoinDB/325_Valentinian_I_xD_S_DSISC.jpg
An AE Centenionalis struck 367-375 AD in Siscia
Obverse: draped and cuirassed pearl-diademed bust right; D N VALENTINI_ANVS P F AVG

Reverse: Victory holding wreath and palm branch; SECVRITAS__REIPVBLICAE / * over D _ S / ΔSISC

Diameter: -
Die Orientation: -
Weight: -
24.8.367 - 17.11.375 AD
RIC IX Siscia 15a, type xiv
/Files/Images/Coinsite/CoinDB/407_Valentinian_I_DDSISC.jpg
An AE Centenionalis struck 364-367 AD in Siscia
Obverse: pearl-didemed, draped and cuirassed bust right; D N VALENTINI_ANVS P F AVG

Reverse: Victory advancing left, holding wreath and palm; SECVRITAS__REIPVBLICAE / DΔSISC

Diameter: -
Die Orientation: -
Weight: 2.05 g
25.2.364 - 24.8.367 AD
RIC IX Siscia 7a, type iv
/Files/Images/Coinsite/CoinDB/447_Valentinian_I_D_xBSISC.jpg
An AE Centenionalis struck 367-375 AD in Siscia
Obverse: pearl-didemed, draped and cuirassed bust right; D N VALENTINI_ANVS P F AVG

Reverse: Valentinian I advancing right, dragging captive and holding labarum; GLORIA RO_MANORVM / D / *BSISC

Diameter: -
Die Orientation: -
Weight: 2.07 g
24.8.367 - 17.11.375 AD
RIC IX Siscia 14a, type xi
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An AE Double Maiorina struck 367-375 AD in Nicomedia
Obverse: DN VALENTINIANVS P F AVG, Bust of Valentinian facing right, wearing pearl diadem, cuirass, and drapery

Reverse: RESTITVTOR REIPVBLICAE, Valentinian standing, looking right, in military dress, holding labarum and Victory on globe; SMNA in exergue

Diameter: 27 mm
Die Orientation: 6 H
Weight: 8.65 g
No notes for this coin
RIC IX 7a
/Files/Images/Coinsite/CoinDB/1557_Valentinian_I_Thessalonica.jpg
An AE Centenionalis struck 364-367 AD in Thessalonica
Obverse: pearl-didemed, draped and cuirassed bust right; D N VALENTINI_ANVS P F AVG

Reverse: Valentinian I standing half right, holding standard and Victory on globe; RESTITV_TOR REIP / TESΓ

Diameter: -
Die Orientation: -
Weight: -
No notes for this coin
RIC IX Thessalonica 17a