Interesting - Google "Western Cavalry Scouts" and the only hits that come up are for the badges under discussion and toy soldiers for the American Indian wars.
I've never heard of the unit for the ABW.
Presumably badge fakers can also put a maker's name on the reverse to enhance "authenticity"?
Researcher. Owner: The Register of the Anglo-Boer War 1899-1902. Interests: 24th Foot/South Wales Borderers/RRW/RW. South Africa generally. War memorials