It is not: https://web.archive.org/web/20140906144611/https://www.pay.gov/public/form/start/23779454/ https://web.archive.org/web/20140906144611/https://www.pay

It is not: https://web.archive.org/web/20140906144611/https://www.pay.gov/public/form/start/23779454/ https://web.archive.org/web/20140906144611/https://www.pay.g... there are records of it going back to 1990s: https://www.treasurydirect.gov/government/public-debt-reports/gifts/ https://www.treasurydirect.gov/government/public-debt-report...