Triad

dragons are monsters who wanted to be gods, these are the coins of that empire reset

Some archeologists suggest the value of the coins reflected the level of impact the god portrayed had over society, though struggle to explain how the copper coins would either mean Athtica was the least impactful or most impactful to the lives of the common people. Other scholars believe the coin values were set by Kaygys as a way of appeasing the other two in some manner or another.