"With the defeat of Bonaparte at Waterloo, the gold standard became a legal concept. In a period that lasted from the aftermath of Waterloo to the preparations for Mons - that is, from 1821 to 1914 - the English authorised an autonomous control for the impulses conveyed by money, what Freud might have called a monetary Super-Ego."
James Buchan Frozen Desire (1997) p.163