http://www.news.gov.hk
The three note-issuing banks will start exchanging new and good-as-new notes on
It said as the
The note-issuing banks will also supply the 2018 New Series
With the issuance of these new notes, all five denominations of the 2018 Series Hong Kong Banknotes will be in circulation.
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(C) 2020 M2 COMMUNICATIONS, source