Winona, Mississippi (U.S.)
A blue saltire on a white field, two yellow stars on each arm of the saltire, the seal in the center.
Photos of the flag from the Mississippi Municipal League.
2012:
https://www.facebook.com/msmunicipalleague/photos/a.476364529049713/476366739049492
2017:
https://www.facebook.com/msmunicipalleague/photos/a.1647433871942767/1647438291942325
Masao Okazaki, 30 March 2022