The Wealth of Nations by Part 1 Chapter 11 Page 277

produce could be expressed or represented, would, no doubt, be very different; but its real value, the real quantity of labour which it could purchase or command, would be precisely the same. A shilling might in the one case represent no more labour than a penny does at present; and a penny in the other might represent as much as a shilling does now. But in the one case he who had a shilling in his pocket would be no richer than he who has a penny at present; and in the other he who had a penny would be just as rich as he who has a shilling now.

The cheapness and abundance of gold and silver plate would be the sole advantage which the world could derive from the one event, and the dearness and scarcity of those trifling superfluities the only inconveniency it could suffer from the other.