Adam Smith：The Wealth of Nations, Book I, Chapter XI, Paragraph 483

From these different facts, therefore, we seem to have some reason to conclude that, about the middle of the fourteenth century, and for a considerable time before, the average or ordinary price of the quarter of wheat was not supposed to be less than four ounces of silver, Tower weight.

Source： https://www.gutenberg.org/ebooks/3300
Locator：Book I, Chapter XI, paragraph 483 · Verified：2026-10-19 · Verification：Exact match

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