You can tell the age from the $1 bill itself. It looks like it was printed in 2006 and has the signature of Hank Paulson, Secretary of the Treasury from 2006-20

You can tell the age from the $1 bill itself. It looks like it was printed in 2006 and has the signature of Hank Paulson, Secretary of the Treasury from 2006-2009. You can compare it to his signature: https://en.wikipedia.org/wiki/Henry_Paulson#/media/File:Henry_M_Paulson_Jr_sig.svg https://en.wikipedia.org/wiki/Henry_Paulson#/media/File:Henr...