or FOLIS, anciently signified a little bag or purse; whence it came to be used for a sum of money, and very different sums were called by that name: thus the scholiast on the Basilics, mentions a follis of copper which was worth but the 24th part of the milliarensis; the glossae nomiae, quoted by Gronovius and others, one of 125 milliarensis, and another of 250 denarii, which was the ancient sellertium; and three different sums of eight, four, and two pound of gold, were each called follis. According to the account of the scholiast, the ounce of silver, which contained 5 milliarensis of 60 in the pound, was worth 120 follis of copper. The glossographer, describing a follis of 250 denarii, says it was equal to 312 pounds 6 ounces of copper; and as the denarius of that age was the 8th part of an ounce, an ounce of silver must have been worth 120 ounces of copper; and therefore the scholiast's follis was an ounce of copper, and equal to the glossographer's nummus. But as Constantine's copper money weighed a quarter of a Roman ounce, the scholiast's follis and the glossographer's nummus contained four of them, as the ancient nummus contained four allies.