File:Flag of the Japanese Emperor.svg - Wikimedia Commons

By A Mystery Man Writer

File:Flag of Kyoto City.svg — Wikimedia Commons

REAL LIFE JAPAN FL-900B

Emblem of the Crown Prince of Japan (Order of Charles III).svg

Tibet's armed resistance to Chinese invasion

File:Flag map of the Empire of Japan.png - Wikimedia Commons

REAL LIFE JAPAN FL-900B

File:Flag of the Japanese Crown Prince.svg - Wikimedia Commons

Rev, flag Of Ghana, Ghana, constitution, topo Map, map Collection, Map, national Flag, Wikimedia Commons, Flag

Taiwan - Wikipedia

File:Flag of the Japanese Emperor.svg - Wikimedia Commons

Why did the South Vietnam government copy the Catalan flag? - Quora

File:Flag of Japan (1870–1999).svg - Wikipedia

From 2017–2022 the Vatican flag SVG on Wikimedia Commons contained a mistake. You can now tell which flag manufacturers/emoji platforms used the file. : r/vexillology