American Numismatic Society - The first coins with Hebrew inscriptions were struck during the period when the Achaemenid or Persian Empire ruled ancient Judah. It seems likely that the earliest of those coins were struck at the Philistian mint of Gaza between 539 and 333 BCE. Later, only small denominations were struck in Judah, quite likely in or very near to Jerusalem. These are part of what is known as "Yehud" coinage because most of them were inscribed with the paleo-Hebrew legend YHD, although some carry the name Hezekiah and one very rare variety has the name of a priest named Yochanan.
It was quite a feat for coins to be minted at all in this area, which was rather out of the way in that time, and had no great technological capabilities. The mints in ancient Judah most likely resembled small blacksmith or jewelry shops, but must have been in the precinct of a fort or a palace because of the need for security in the transport and storage of uncoined silver. The early coins minted in Judah were patterned after Athenian coins and struck some time before 333 BCE when Alexander the Great brought an end to the First Persian Empire.
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