The Bennington Flag, believed to have been flown at the Battle of Bennington in 1777

https://blogfreely.net/branoryccv/the-triangle-fold-meaning-behind-the-13-folds-of-the-flag

The Bennington Flag, believed to have been flown at the Battle of Bennington in 1777, displays 13 stars and stripes and serves as a symbol of patriotism and unity among the colonies during their struggle for freedom.