CAD
https://www.bankofcanada.ca/banknotes/bank-note-series/#related

USD
https://www.uscurrency.gov/denominations

AUD
https://banknotes.rba.gov.au/banknote-features/

CHF
https://www.snb.ch/en/iabout/cash/series9/design_series9/id/cash_series9_design

EURO
https://www.ecb.europa.eu/euro/banknotes/denominations/html/index.en.html#es2-100

GBP
https://www.bankofengland.co.uk/banknotes/current-banknotes

HKD
https://www.hkma.gov.hk/eng/key-functions/money/hong-kong-currency/notes/

JPY
https://www.boj.or.jp/en/note_tfjgs/note/valid/issue.htm/#p01

KRW
https://www.bok.or.kr/eng/main/contents.do?menuNo=400112

MXP
https://www.banxico.org.mx/banknotes-and-coins/currently-banknotes-and-coins.html

NZD
https://www.rbnz.govt.nz/notes-and-coins/notes/banknotes-in-circulation

RMB
http://sousuo.gov.cn/s.htm?q=%E7%BA%B8%E5%B8%81&t=image

SGD
https://www.mas.gov.sg/currency/Singapores-Circulation-Currency-Notes

THB
https://www.bot.or.th/English/Banknotes/HistoryAndSeriesOfBanknotes/pages/current_series_of_banknotes.aspx

TWD
https://www.cepp.gov.tw/internet/en/nt/against.aspx?uid=19&pid=18