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,
Merk (coin) Merk (coin) The merk was a Scottish silver coin. Originally the same word as a money mark of silver, the merk was in circulation at the end of the 16th century and in the 17th century. It was originally valued at 13"s." 4"d." (exactly of a pound Scots, or about one English shilling), later raised to 14"s." Scots. In addition to merks, half-merk and quarter-merk coins were produced with values of, respectively, 7"s." and 3"s." 6"d.", as well as a four-merk coin of 56"s." (£2 16"s."). The first issue weighed and was 50% silver and 50% base metals, thus it