Summary

1911 Encyclopædia Britannica, Volume 21… (1911)

On the whole, modern authorities assign Pheidon to the first half of the 7th century. Herodotus further states that Pheidon established a system of weights and measures throughout Peloponnesus, to which Ephorus and the Parian Chronicle add that he was the first to coin silver money, and that his mint was at Aegma. But according to the better authority of Herodotus (i. 94) and Xenophanes of Colophon, the Lydians were the first coiners of money at the beginning of the 7th century, and, further, the oldest known Aeginetan coins are of later date than Pheidon.
Source: Wikisource

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