The Wealth of Nations by Part 4 Chapter 8 Page 48

exported again but at such an expense as would sufficiently discourage that exportation. Their avidity, however, upon this, as well as upon many other occasions, disappointed itself of its object. This enormous duty presented such a temptation to smuggling that great quantities of this commodity were clandestinely exported, probably to all the manufacturing countries of Europe, put particularly to Holland, not only from Great Britain but from Africa. Upon this account, by the 14th George III, c. 10, this duty upon exportation was reduced to five shillings the hundredweight.

In the book of rates, according to which the Old Subsidy was levied, beaver skins were estimated at six shillings and eightpence a piece, and the different subsidies and imposts, which before the year 1722 had been laid upon their importation, amounted