The Wealth of Nations by Part 1 Chapter 5 Page 45

price of that fashion. The superiority of coin above bullion would prevent the melting down of the coin, and would discourage its exportation. If upon any public exigency it should become necessary to export the coin, the greater part of it would soon return again of its own accord. Abroad it could sell only for its weight in bullion. At home it would buy more than that weight. There would be a profit, therefore, in bringing it home again. In France a seignorage of about eight per cent is imposed upon the coinage, and the French coin, when exported, is said to return home again of its own accord.

The occasional fluctuations in the market price of gold and silver bullion arise from the same causes as the like fluctuations in that of all other commodities. The frequent loss of those metals from various accidents by sea and