The Treasury Secretary's signature has appeared on paper currency for the last 165 years: * https://www.reuters.com/world/us/trumps-signature-appear-us-currenc

The Treasury Secretary's signature has appeared on paper currency for the last 165 years: * https://www.reuters.com/world/us/trumps-signature-appear-us-currency-treasury-says-ending-165-year-tradition-2026-03-26/ https://www.reuters.com/world/us/trumps-signature-appear-us-...