evidence: Accordingly a colonial ensign bearing the principal charge from the Arms was approved for the Orange River Colony. This flag was used until the Colony was incorporated into the Union of South Africa on 31 May 1910 and became the [...] Orange River Colony flew a Blue Ensign with badge in the fly between 1904 - 1910. [...] Administrator's flag for the Orange River Colony. It's not perfect, but I have given up trying to get it there. The imperfection is very minor, and I'm reckoning that most of you won't be able to tell what's wrong. This should suffice for