Naval Ensign of the Amur River Flotilla of the Soviet Russia (1918).[1]
Own work

↑ a b Флаги государственных образований со времён гражданской войны до конца 1920-х годов (in Russian). Russian Centre of Vexillology and Heraldry (25 March 2021). Archived from the original on 7 December 2023. Retrieved on 9 January 2024.
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