A discourse of coin and coinage : the first invention, use, matter, forms, proportions, and differences, ancient and modern. With the advantages and disadvantages of the rise and fall thereof, in their own or neighbouring nations: and the reasons. Together with a short account of our common-law therein. As also tables of the value of all sorts of pearls, diamonds, gold, silver, and other metals. By Rice Vaughan, late of Grays-Inn, Esq;