The flag of <a href="https://en.wikipedia.org/wiki/Orange_River_Colony" class="extiw" title="en:Orange River Colony">Orange River Colony</a> in <a href="https://en.wikipedia.org/wiki/South_Africa" class="extiw" title="en:South Africa">South Africa</a> (1904 – 1910). Consists of a Blue Ensign enhanced with an image of a <a href="https://en.wikipedia.org/wiki/Springbok_(antelope)" class="extiw" title="en:Springbok (antelope)">springbok</a>.
Philip Ronan
CC BY 2.5
Own work, created in Adobe Illustrator CS2