https://wbs.org.ua/en/nova-pamiatna-banknota-papua-novoi-hvinei-50-kina-do-50-richchia-nezalezhnosti/
New Papua New Guinea Commemorative Banknote: 50 Kina for the 50th Anniversary of Independence
Sep 15, 2025 - Papua New Guinea is celebrating the 50th anniversary of its independence, which falls on September 16, 2025, with the release of a new commemorative banknote...
papua guineacommemorative banknotefor thenewkina
https://www.renmin.be/policies/policies-information/china-to-issue-commemorative-coins-banknote-to-celebrate-2024/
China to issue commemorative coins, banknote to celebrate 2024 – Renminbi
commemorative coinschinaissuebanknotecelebrate