Denomination
Name, Value, Composition and Size 
Imperial
Coinage Begins  14 AD


AV
Binio (or DoubleAureus) = Gold Medallion 

AV
Aureus = 25 Denarii (Gold, 20mm) 

AV
Light Aureus (Gold) 

AV
Quinarius =121/2 Denarii (Gold, 15mm) 

AR
Denarius =16 Asses (Silver, 19mm) 

AR
Quinarius = 8 Asses (Silver, 15mm) 

AE DoubleSestertius = 8 Asses (Brass or
Orichalcum, 2435mm) 

AE
Sestertius = 4 Asses (Brass or Orichalcum, 2535mm) 

AE
Dupondius = 2 Asses (Brass or Orichalcum, 28mm)


AE
As = Base Unit (Copper, 2428mm) 

AE
Semis = 1/2 As (Brass or Orichalcum, 18mm) 

AE
Quadrans = 1/4 As (Copper, 15mm) 

AE
Uncia = 1/12 As

Denomination
addition by Caracalla, 215


AR
Antoninianus = 2 Denarii (Initially silver, very base billon at time of
Demonetization) 
Coinage
reforms by Diocletian, c. 294


AV
Aureus = 120 Folles (Gold) 

AV
Quinarius = 60 Folles (Gold) 

AV QuarterAureus = 30 Folles (Gold) 

AR
Argenteus = 5 Folles (Silver) 

AR HalfArgenteus = 21/2 Folles (Silver) 

AE
Follis = Base Unit (5% Silver) 

AE HalfFollis = 1/2 Follis (Billon?) 

AE
PostReform Radiate = 2/5 Follis (Bronze) 

AE ThirdFollis = 1/3 Follis (Billon?) 

AE QuarterFollis = 1/4 Follis (Billon?) 

AE
PostReform Laureate = 1/5 Follis (Bronze) 
Coinage
reforms by Constantine I, c. 318


AV
Solidus = 24 Siliquae (Gold) = 72 to the Roman Pound 

AV
Semissis = 12 Siliquae (Gold) 

AV
1.5 Scripulum = 9 Siliquae (Gold) 

AR
3 Miliarense = 4 Siliquae (Silver) 

AR
Heavy Miliarense = 5.4g Silver 

AR
Miliarense = 11/3 Siliquae (Silver) 

AR
Heavy Siliqua = 11/5 Siliqua 

AR
Siliqua = Base Unit (Silver) 

AR
PostReform Light Siliqua = 144 to the Roman Pound 

AR
Heavy HalfSiliqua = 3/4 Siliqua 

AR
PostReform Light HalfSiliqua = 288 to the Roman Pound 

AR ThirdSiliqua = 1/3 Siliqua 

AE1
(Bronze, >25mm) 

AE2
(Bronze, 2125mm) 

AE3
(Bronze, 1722mm) 

AE4
(Bronze, <17mm) 
Coinage
during reign of Constantine's successors, c. 337 and later


AV 9 Solidi (40.32g, 8/lb.) = 216 Siliquae 

AV 41/2 Solidi (20.16g, 16/lb.) = 108 Siliquae 

AV 3 Solidi (13.44g, 24/lb.) = 72 Siliquae 

AV 2 Solidi (8.96g, 36/lb.) = 48 Siliquae 

AV 11/2 Solidi (6.72g, 48/lb.) = 36 Siliquae 

AV 11/4 Solidi or AV Festaureus (5.39g,
5760/lb.) = 28.830 Siliquae 

AV Solidus (4.48g, 72/lb.) = 24 Siliquae 

AV Semissis (2.24g, 144/lb.) = 12 Siliquae 

AV 9 Siliquae (1.67g, 192/lb.) = 9 Siliquae 

AR 4Siliqua (13.44g, 24/lb.) = Value of 72
Siliquae 

AR Heavy Miliarensis (5.37g, 60/lb) = Value of
28.8 Siliquae 

AR Light Miliarensis (4.48g, 72/lb) = Value of 24
Siliquae 

AR Siliqua (3.36g, 96/lb) = Value of 18 Siliquae 

AR Reduced Siliqua (2.24g, 144/lb) = Value of 12
Siliquae 

AR Reduced Half Siliqua (1.12g, 288/lb) = Value of
24
Siliquae 

AE
Maiorina or Double Centenionalis = AE1 (Bronze, 27mm) 

AE Centenionalis = 100 old Denarii (Bronze, 23mm until 354, then
18mm  FEL TEMP REPARATIO series 

AE
Centenionalis = 100 old Denarii (Bronze, 15mm after 354  SPES
REIPVBLICAE series 

AE HalfCentenionalis = 50 old denarii (1% Silver) 
Coinage
addition by Theodosius, 383


AV
Tremissis = 1/3 Solidus (Gold) 