Note 7 — Chapter I · HISTORIC OUTLINE.
Reading edition
The problem of the relative value of gold and silver had been solved to a certain extent in this ancient kingdom, a silver shekel being one-tenth the value of a gold shekel, and the silver half shekel one twentieth of the value of the gold shekel. The drachma, or silver half shekel, is supposed to be the most ancient type of the English shilling, as one-twentieth of the English gold sovereign.