A team led by Christopher Ratté, an archaeologist at the University of Michigan, recently unearthed a hoard of darics at Notion in Ioania. In an article just published in Phys Org, Andrew Meadows, PI of the CHANGE project, said that the archaeological context of the hoard has the potential,
"if it can be established accurately by other means, to allow us to fine-tune the chronology of the Achaemenid gold coinage. This is a spectacular find … of the highest importance." Andrew Meadows
You can read the article here