Reading Ancient Roman Coin Inscriptions
The ancient Romans followed a fairly standard method for the design of most Roman Imperial coins. Usually the obverse (heads side) showed the portrait of the ruler or his family and abbreviated inscriptions. The inscriptions usually contained his first name, last name, title, and various honorary titles. Below are examples of inscriptions found on portrait and non-portrait coins.
Inscriptions on Portrait coins
Sestertius portrait coin of Domitian
While not entirely realistic, portraits on coins visually identified the emperor and served as a way for people in the far reaches of the empire to see what their ruler looked like. The inscriptions not only named the current ruler, but proclaimed the legitimacy of his authority.
IMP | Imperator (victorious general), received upon accession |
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CAES | Caesar. Inherited name of the Julian family (Julius Caesar). Used by later emperors to designate heir. |
DOMIT | Domitianus, ruler's name. |
AVG | Augustus, title of the emperor. |
GERM | Germanicus, a title honoring military victories in Germany. |
COS | Consul, a title linked to highest office in Senate, usually held by emperor. |
XI | Reflects number of times office held |
CENS | Censor, a public office overseeing taxes, morality, the census and membership in various orders. |
PO | Pontifex Maximus. Highest priest. The head of state religion. |
TPP | Tribunica Potestate. Tribune of the people. Each renewal indicated by numerals. |
Crowns
Crowns were originally a mark of honor for those who had distinguished themselves in battle. The crown worn on imperial coins is one of the many ways of identifying the denomination and possible date of issue.
Laureate
Emperor wears a wreath of laurel, oak or ivy branches. Most common crown in first 350 years. It frequently distinguishes single denominations.
Radiate
Spiky crown associated with sun god Sol, primarily used on double denomination coins like Antoninianus and Dupondius (after A.D. 64).
Diadem
A band of metal or cloth, often decorated, used extensively starting with Constantine the Great.
Inscriptions on Non-Portrait coins
Bronze Quadrans non-portrait coin of Claudius
Coins without portraits were issued in various denominations by the Roman emperors. These non-portrait coins might have commemorated a family member, founding of a city or an important event. Most bear the name of the issuing emperor.
TI | Tiberius |
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CLAVDIVS | Claudius, ruler's name. |
CAESAR | Caesar. Inherited name of the Julian family (Julius Caesar). Used by later emperors to designate heir. |
AVG | Augustus, title of the emperor. |
Obverse design | Modius: Traditional Roman grain measure symbolizing imperial generosity. |
Other non-portrait ancient Roman coins
Bronze Duponduis of the Moneyers
Issued in 17 B.C. by Augustus, this coin celebrates his reign, and perhaps the Secular Games. The S.C. (Senatus consulto) on the reverse is surrounded by the Moneyer's name.
Bronze Prutah of Antonius Felix, procurator of Judaea under Claudius, A.D. 52-59
Portrait coins of Britannicus are extremely rare, yet this coin bears his abbreviated name in Greek, and is very affordable.