And because silver and gold have their value from the matter itself, they have first this privilege, that the value of them cannot be altered by the power of one, nor of a few commonwealths, as being a common measure of the commodities of all places. But base money may easily be enhanced or abased. Secondly, they have the privilege to make commonwealths move, and stretch out their arms, when need is, into foreign countries, and supply, not only private subjects that travel, but also whole armies with provision. But that coin, which is not considerable for the matter, but for the stamp of the place, being unable to endure change of air, hath its effect at home only; where also it is subject to the change of laws, and thereby to have the value diminished, to the prejudice many times of those that have it.