Denarius Debasement of the coin's silver content continued after Nero. Later Roman emperors reduced its content to 3 grams around the late 3rd century. The value at its introduction was 10 asses, giving the denarius its name, which translates as "containing ten". In about 141 BC, it was re-tariffed at 16 asses, to reflect the decrease in weight of the as. The denarius continued to be the main coin of the Roman Empire until it was replaced by the antoninianus in the middle of the 3rd century. The coin was last issued, in bronze, under Aurelian between AD 270 and 275,
Three halfpence (British coin) Three halfpence (British coin) The British three halfpence was a silver coin worth d or of a pound produced for circulation in the British colonies, mainly in Ceylon and the West Indies in each year between 1834 and 1843, and also in 1860 and 1862. Proof coins were also produced in 1870. The coin is considered to be part of the British coinage because it has no indication of what country it was minted for, being made in the same style as the other contemporary coins of the United Kingdom of Great Britain and Ireland. The coins were made of