I like the middle portrait photo from a Grahamstown photographer, it again shows what I have always thought, that the ILH badge was worn on the slouch hat during the Anglo Boer War and is just that, a hat badge, rather than a "title" worn on the shoulder strap, a really super image!
The diary of 95 Trooper Fred Freshney, ILH, includes the following:
"A" Squadron was the first to be served out with the khaki uniform, which was exactly the same as supplied to regular cavalry, with the exception of the head-gear, which consisted of a smasher hat turned up at the left side and the initials I.L.H. attached to it.
PS I have referred to Freshney elsewhere on this forum. He was seriously wounded during the Battle of Colenso and died a premature death a few years after the war ended. Justin posted on the memorial to Freshney in Saltfleet, Lincolnshire.