Page:Joseph Story, Commentaries on the Constitution of the United States (1st ed, 1833, vol III).djvu/25

 CH. XVII.] domestic coin, is granted to the national government, cannot require much illustration in order to vindicate it. The object of the power is to produce uniformity of value throughout the Union, and thus to preclude us from the embarrassments of a perpetually fluctuating and variable currency. Money is the universal medium or common standard, by a comparison with which the value of all merchandise may be ascertained, or, it is a sign, which represents the respective values of all commodities. It is, therefore, indispensable for the wants and conveniencies of commerce, domestic as well as foreign. The power to coin money is one of the ordinary prerogatives of sovereignty, and is almost universally exercised in order to preserve a proper circulation of good coin of a known value in the home market. In order to secure it from debasement it is necessary, that it should be exclusively under the control and regulation of the government ; for if every individual were permitted to make and circulate, what coin he should please, there would be an opening to the grossest frauds and impositions upon the public, by the use of base and false coin. And the same remark applies with equal force to foreign coin, if allowed to circulate freely in a country without any control by the government. Every civilized government, therefore, with a view to prevent such abuses, to facilitate exchanges, and thereby to encourage all sorts of industry and commerce, as well as to guard itself against the embarrassments of an undue scarcity of currency, injurious to its own interests and credits, has found it necessary to coin money, and affix to it a public stamp and value, and to regulate the introduction and use of foreign coins. In England, this 3