Robuta

https://archive.org/details/publicauctionsal1971lest?ui=embed&view=theater&wrapper=false

https://www.bankofcanada.ca/rates/interest-rates/canadian-interest-rates/notes-on-canadian-interest-rates/

https://www.narcity.com/5-canadian-bank-notes-will-lose-their-legal-tender-status-in-just-a-few-days