Capital vol. 1, Chapter 3, footnote 10.

David Urquhart remarks in his “Familiar Words” on the monstrosity (!) that now-a-days a pound (sterling), which is the unit of the English standard of money, is equal to about a quarter of an ounce of gold. “This is falsifying a measure, not establishing a standard.” He sees in this “false denomination” of the weight of gold, as in everything else. the falsifying hand of civilisation.