The 2018 Series Hong Kong Banknotes Hong Kong Monetary Authorityhttps://www.hkma.gov.hk/eng/ https://www.hkma.gov.hk/eng/key-functions/money/hong-kong-currency/notes/design-and-security-features-of-currency-notes/ Bank of China (Hong Kong) Limitedhttps://www.bochk.com/en/home.htmlhttps://www.bochk.com/dam/bochk/desktop/top/aboutus/banknote/2018/index_en.html The Hongkong and Shanghai Banking Corporation Limitedhttps://www.hsbc.com.hk/https://www.hsbc.com.hk/banknotes-2018/ Standard Chartered Bank (Hong Kong) Limitedhttps://www.sc.com/hk/https://www.sc.com/hk/standard-chartered-2018-banknotes-series/
