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Popular Roman Coin Denominations & Values

Gold Aureus Coin worth 25 silver denarii, The aureus was regularly issued from the 1st century BC to the beginning of the 4th century, when it was replaced by the solidus. The aureus is about the same size as the denarius, but is heavier due to the higher density of gold.

Gold Quinarius Coin worth one-half Aureus. The term gold quinarius or quinarius aureus is used to describe the half-aureus, which is valued at 12.5 denarii.

Silver Denarius Coin worth 16 copper Asses or 4 Sestertii. First minted in 211 BC. It was the most common coin produced for circulation but was slowly debased until its replacement by the antoninianus. The word denarius is derived from the Latin dēnī "containing ten", as its value was 10 asses.

Silver Quinarius Coin worth one-half Denarius This coin had its value changed to 5 asses and then to 8 asses in 118 BC and was produced until the 3rd century.

Antoninianus Coin worth 2 denarii Larger than Denarius, double value indicated by emperor wearing a radiate crown. (Silvered and slowly debased until it was bronze)

Sestertius Coin worth 4 copper Asses.

Sestertius Coin worth One-Quarter Denarius/One-Hundredth of an aureus

(During the Roman Republic it was a small, silver coin issued only on rare occasions. During the Roman Empire it was a large brass coin called Orichalcum)

Dupondius Coin worth 2 copper Asses (Orichalcum) Dupondius is Latin meaning two-pounder. With the coinage reform of Augustus in or about 23 BC, the sestertius and dupondius were produced in a golden colored copper-alloy called orichalcum (often mistaken by new collectors as Gold)

As Coin was mid-sized (copper)introduced in ca. 280 BC as a large cast bronze coin but later became copper.

Bes Coin worth Two Thirds As.

Semis Coin worth One-half As. (Orichalcum)

Quincunx Coin worth Five-Twelvths As.

Triens Coin worth One-Third As.

Quadrans Coin woth one-quarter As.(Copper)

Sextans Coin worth One-Sixth As.

Uncia Coin woth One-Twelth As., was also a common weight unit.

Semuncia Coin worth One-Twenty Fourth As.