The Wealth of Nations by Part 2 Chapter 2 Page 53

banking company always understood and attended to its own particular interest, the circulation never could have been overstocked with paper money.

But every particular banking company has not always understood or attended to its own particular interest, and the circulation has frequently been overstocked with paper money.

By issuing too great a quantity of paper, of which the excess was continually returning, in order to be exchanged for gold and silver, the Bank of England was for many years together obliged to coin gold to the extent of between eight hundred thousand pounds and a million a year; or at an average, about eight hundred and fifty thousand pounds. For this great coinage the bank (in consequence of the worn and degraded state into which the gold coin had fallen a few years ago)