I am pretty sure it is legitimate because it is a fairly common coin. However, it is grossly misrepresented. It is not a US colonial coin, it is from Vereenigde Oost-Indische Compagnie(VOC) aka The Dutch East India Company. VOC was a Dutch trading company that operated in Southeast Asia and Indonesia(location of the seller) from 1602-1798. The Dutch West India Company, an entirely separate corporate entity, operated in the Americas from 1621-1792 but they were out of the US colonies by 1674.