The unofficial state flag of Florida flown at the 1845 inauguration of Governor William D. Moseley. 
https://dos.myflorida.com/florida-facts/florida-state-symbols/state-flag/floridas-historic-flags/state-flags/state-flag-1845/
Own work based on https://dos.myflorida.com/florida-facts/florida-state-symbols/state-flag/floridas-historic-flags/state-flags/state-flag-1845/
Thespoondragon