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,
Ten pence (Irish coin) a pound being the same as the previous florin. It retained the exact design and dimensions (except denomination) of the florin coin, introduced to the Irish Free State in 1928. Some florin coins remained in circulation until 1994, when it was decided to reduce the size of the ten pence coin. The original ten pence weighed and had a diameter of . Its size became a problem after inflation reduced the coin's value, and it was last minted in 1986. In 1993 a replacement was struck at diameter and . This new coin featured a salmon, but moved the location