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,
Groat (coin) Groat (coin) The groat is the traditional name of a long-defunct English and Irish silver coin worth four pence, and also a Scottish coin originally worth fourpence, with later issues being valued at eightpence and one shilling. The name has also been applied to any thick or large coin, such as the "Groschen" ("grosso"), a silver coin issued by Tyrol in 1271 and Venice in the 13th century, which was the first of this general size to circulate in the Holy Roman Empire and other parts of Europe. The immediate ancestor to the groat was the French "gros tournois" or