What does it mean if your one dollar bill has a star at the end of its serial number?

I have a one dollar bill and its serial number has a star as the tenth digit, instead of a capital letter. What does this mean?What does it mean if your one dollar bill has a star at the end of its serial number?it means it's a copy of the original bill with that serial number. it means the original was probably lost or destroyed, like maybe it was burned or got ripped to pieces.What does it mean if your one dollar bill has a star at the end of its serial number?it is worth a dollar