It does not matter if the 46th Miss was in the same brigade as the flags that Ken listed. What does matter is Howie's proof that they served with WHT Walker, whose entire brigade came from the Dept. of SC, GA & Fl bearing flags made through the Charleston Depot. He, again, states that the regiment probably got the flag from Walker's QM.
I am sure that the flag had a color sleeve once upon a time but who knows what happened to it. Same for the flags that Ken listed.
Greg Biggs