The Wealth of Nations by Part 4 Chapter 6 Page 21

The mint was employed, not so much in making daily additions to the coin, as in replacing the very best part of it which was daily melted down.

Were the private people, who carry their gold and silver to the mint, to pay themselves for the coinage, it would add to the value of those metals in the same manner as the fashion does to that of plate. Coined gold and silver would be more valuable than uncoined.

The seignorage, if it was not exorbitant, would add to the bullion the whole value of the duty; because, the government having everywhere the exclusive privilege of coining, no coin can come to market cheaper than they think proper to afford it. If the duty was exorbitant indeed, that is, if it was very much above the real value of the labour and expense requisite for coinage, false