The Wealth of Nations by Part 1 Chapter 11 Page 149

below its standard value. But the nominal sum which constitutes the market price of every commodity is necessarily regulated, not so much by the quantity of silver, which, according to the standard, ought to be contained in it, as by that which, it is found by experience, actually is contained in it. This nominal sum, therefore, is necessarily higher when the coin is much debased by clipping and wearing than when near to its standard value.

In the course of the present century, the silver coin has not at any time been more below its standard weight than it is at present. But though very much defaced, its value has been kept up by that of the gold coin for which it is exchanged.

For though before the late recoinage, the gold coin was a good deal defaced too, it was less so than the