On the Morning of September 11, 2001, 2 Boeing 767 planes hit the Twin Towers, killing more than 2,996 people, multiple coins were found at the base of the destroyed towers, as a reminder of this terrible event they are now sold around the world, this one is an example of one coin,
https://www.ebay.com/itm/384906551759 May our minds always be on the families of those who lost their lives on that tragic day.