KYIV, Feb 23 (Reuters) - Ukraine's central bank unveiled a commemorative banknote on Thursday to mark the first anniversary of Russia's invasion, with one side depicting three soldiers raising the national flag. "To mark the anniversary of the war, we decided to launch a commemorative banknote which will depict on a small piece of paper a year of emotions, patterns, content and iconic things," Andriy Pyshnyi, governor of the National Bank of Ukraine, said during a presentation at the central bank in Kyiv. See here for a complete list of exchanges and delays