Hiya Steven,
Your order of precedence is correct, R.E. 1st & so on.
I have a very rare image for you to look at which shows an ASC soldier in Aldershot, taken in 1899 - 1900, prior to being moved out to South Africa.
I will let the image speak for us all, but i believe this to be a navy blue square patch, with no white stripe which is worn behind the QVC ASC badge, with collar badges shown in great detail.
Regards
Ken (The Fatboy)
Vic ASC FS Helmet.jpg