17
Chicago has the greatest municipal flag in the world.
(cdn.britannica.com)
Article on the 100th anniversary of the flag of the city of Chicago: https://www.britannica.com/story/100th-anniversary-of-chicagos-flag
](https://www.britannica.com/story/100th-anniversary-of-chicagos-flag!%5B%5D(https://i.imgur.com/3ZAXcHF.jpg)){kind=link}
It's got a second flag on it so when you buy one flag you get two. That's value right there!
Flag^2