http://agathe.gr/democracy/athenian_currency.html
Athenian Currency Many of the specialized administrative boards have left material traces of their activities. Most prolific of these were the moneyers, or Overseers of the Mint. Throughout her history ... Athenian Currency Many of the specialized administrative boards have left material traces of their activities. ... Throughout her history Athens was noted for the purity of her coinage (31), which was highly valued all around the Mediterranean. 31. Athenian silver coins, with Athena and owl, fifth–second centuries B.C. ... Half a drachma (three obols) was the juror’s daily pay at the same time. The New Style coinage, introduced in the Hellenistic period, modernized the representations and added the amphora (oil jar) and names of officials. 32.