Kingdom of Sarawak

Flag of the Kingdom of Sarawak, adopted in 1870. It would serve as the flag of the Kingdom for the rest of its existence until annexation into British Malaya in 1946, and would serve as the state flag until 1973.

Original Flag:

https://upload.wikimedia.org/wikipedia/commons/thumb/0/0d/Flag_of_the_Kingdom_of_Sarawak_%281870%29.svg/640px-Flag_of_the_Kingdom_of_Sarawak_%281870%29.svg.png