Bo Gritz's bid for the presidency in 1992 is the origin of the "Trillion Dollar Coin" proposal that Paul Krugman currently embraces.
https://www.nytimes.com/2021/10/01/opinion/biden-coin-democrat-republican-debt-limit.html
https://www.nytimes.com/2021/10/01/opinion/biden-coin-democrat-republican-debt-limit.html