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,
Quarter (Canadian coin) Quarter (Canadian coin) The quarter, short for quarter dollar, is a Canadian coin worth 25 cents or one-fourth of a Canadian dollar. It is a small, circular coin of silver colour. According to the Royal Canadian Mint, the official name for the coin is the 25-cent piece, but in practice it is usually called a "quarter", much like its American counterpart. The coin is produced at the Royal Canadian Mint's facility in Winnipeg, Manitoba. From 1920 until 1967 the quarter contained 0.15 troy ounces of silver—one quarter as much as the silver dollar (0.60 ozt), one half as much as