English
As a rule, political economists of the present day do not take the trouble to study the history of money; it is much easier to imagine it and deduce the principles of this imaginary knowledge Alaxander del Mar, A History of monetary systems (1901)

Pheidon of Argos

Where the obols, the iron spits six of which made a drachma, a myth or a historical object? How did we get the proof?