Denomination
Name, Value, Composition and Size |
Imperial
Coinage Begins - 14 AD
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AV
Binio (or Double-Aureus) = Gold Medallion |
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AV
Aureus = 25 Denarii (Gold, 20mm) |
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AV
Light Aureus (Gold) |
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AV
Quinarius =12-1/2 Denarii (Gold, 15mm) |
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AR
Denarius =16 Asses (Silver, 19mm) |
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AR
Quinarius = 8 Asses (Silver, 15mm) |
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AE Double-Sestertius = 8 Asses (Brass or
Orichalcum, 24-35mm) |
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AE
Sestertius = 4 Asses (Brass or Orichalcum, 25-35mm) |
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AE
Dupondius = 2 Asses (Brass or Orichalcum, 28mm)
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AE
As = Base Unit (Copper, 24-28mm) |
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AE
Semis = 1/2 As (Brass or Orichalcum, 18mm) |
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AE
Quadrans = 1/4 As (Copper, 15mm) |
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AE
Uncia = 1/12 As
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Denomination
addition by Caracalla, 215
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AR
Antoninianus = 2 Denarii (Initially silver, very base billon at time of
Demonetization) |
Coinage
reforms by Diocletian, c. 294
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AV
Aureus = 120 Folles (Gold) |
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AV
Quinarius = 60 Folles (Gold) |
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AV Quarter-Aureus = 30 Folles (Gold) |
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AR
Argenteus = 5 Folles (Silver) |
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AR Half-Argenteus = 2-1/2 Folles (Silver) |
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AE
Follis = Base Unit (5% Silver) |
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AE Half-Follis = 1/2 Follis (Billon?) |
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AE
Post-Reform Radiate = 2/5 Follis (Bronze) |
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AE Third-Follis = 1/3 Follis (Billon?) |
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AE Quarter-Follis = 1/4 Follis (Billon?) |
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AE
Post-Reform Laureate = 1/5 Follis (Bronze) |
Coinage
reforms by Constantine I, c. 318
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AV
Solidus = 24 Siliquae (Gold) = 72 to the Roman Pound |
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AV
Semissis = 12 Siliquae (Gold) |
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AV
1.5 Scripulum = 9 Siliquae (Gold) |
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AR
3 Miliarense = 4 Siliquae (Silver) |
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AR
Heavy Miliarense = 5.4g Silver |
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AR
Miliarense = 1-1/3 Siliquae (Silver) |
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AR
Heavy Siliqua = 1-1/5 Siliqua |
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AR
Siliqua = Base Unit (Silver) |
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AR
Post-Reform Light Siliqua = 144 to the Roman Pound |
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AR
Heavy Half-Siliqua = 3/4 Siliqua |
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AR
Post-Reform Light Half-Siliqua = 288 to the Roman Pound |
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AR Third-Siliqua = 1/3 Siliqua |
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AE1
(Bronze, >25mm) |
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AE2
(Bronze, 21-25mm) |
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AE3
(Bronze, 17-22mm) |
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AE4
(Bronze, <17mm) |
Coinage
during reign of Constantine's successors, c. 337 and later
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AV 9 Solidi (40.32g, 8/lb.) = 216 Siliquae |
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AV 4-1/2 Solidi (20.16g, 16/lb.) = 108 Siliquae |
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AV 3 Solidi (13.44g, 24/lb.) = 72 Siliquae |
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AV 2 Solidi (8.96g, 36/lb.) = 48 Siliquae |
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AV 1-1/2 Solidi (6.72g, 48/lb.) = 36 Siliquae |
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AV 1-1/4 Solidi or AV Festaureus (5.39g,
57-60/lb.) = 28.8-30 Siliquae |
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AV Solidus (4.48g, 72/lb.) = 24 Siliquae |
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AV Semissis (2.24g, 144/lb.) = 12 Siliquae |
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AV 9 Siliquae (1.67g, 192/lb.) = 9 Siliquae |
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AR 4-Siliqua (13.44g, 24/lb.) = Value of 72
Siliquae |
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AR Heavy Miliarensis (5.37g, 60/lb) = Value of
28.8 Siliquae |
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AR Light Miliarensis (4.48g, 72/lb) = Value of 24
Siliquae |
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AR Siliqua (3.36g, 96/lb) = Value of 18 Siliquae |
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AR Reduced Siliqua (2.24g, 144/lb) = Value of 12
Siliquae |
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AR Reduced Half Siliqua (1.12g, 288/lb) = Value of
24
Siliquae |
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AE
Maiorina or Double Centenionalis = AE1 (Bronze, 27mm) |
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AE Centenionalis = 100 old Denarii (Bronze, 23mm until 354, then
18mm - FEL TEMP REPARATIO series |
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AE
Centenionalis = 100 old Denarii (Bronze, 15mm after 354 - SPES
REIPVBLICAE series |
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AE Half-Centenionalis = 50 old denarii (1% Silver) |
Coinage
addition by Theodosius, 383
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AV
Tremissis = 1/3 Solidus (Gold) |