Additional flags for experiments
Polish Underground State - Polish flag with P letter with anhor for represent Armia Krajowa.
Żydowski Związek Wojskowy - used by them during fights in Warsaw ghetto.
https://en.wikipedia.org/wiki/Jewish_Military_Union
Jewish Combat Organization - also used during fights in ghetto
https://en.wikipedia.org/wiki/Jewish...t_Organization
Free City of Danzig (Gdańsk) - used before incorparation to III Reich in 1939.
Ukrainian Insurgent Army - They fight with Polish , Soviets , Germans and Polish Comunists. They use black-red flag
https://en.wikipedia.org/wiki/Ukrainian_Insurgent_Army
Kingdom of Afganistan - officialy neutral during WWII
Tuvan People's Republic - soviet satelite state in Far North East state, neutral during WWII incorporated to SSSR in 1944
https://en.wikipedia.org/wiki/Tuvan_People%27s_Republic