The Wealth of Nations by Part 4 Chapter 6 Page 30

regard to which every man is a merchant. Nobody buys it but in order to sell it again; and with regard to it there is in ordinary cases no last purchaser or consumer. When the tax upon coinage, therefore, is so moderate as not to encourage false coining, though everybody advances the tax, nobody finally pays it; because everybody gets it back in the advanced value of the coin.

A moderate seignorage, therefore, would not in any case augment the expense of the bank, or of any other private persons who carry their bullion to the mint in order to be coined, and the want of a moderate seignorage does not in any case diminish it.

Whether there is or is not a seignorage, if the currency contains its full standard weight, the coinage costs nothing to anybody, and if it is short of that weight,