The prohibitive cost was one of the reason purple is used only in 2 countries flags, Its even once banned by British royalty except royals to reduce expenditure

The prohibitive cost was one of the reason purple is used only in 2 countries flags, Its even once banned by British royalty except royals to reduce expenditure by commoners. https://www.worldatlas.com/articles/country-flags-with-purple.html https://www.worldatlas.com/articles/country-flags-with-purpl...