Indian style impressed naming, no unit given.
A ‘Sowar Hussun Allee Khan’ is on the roll for Abyssinia with “E” Troop, 3rd Bombay Light Cavalry. A ‘Jemadar Hassan Ali Khan’, 3rd Bombay Light Cavalry, is listed in the published Afghanistan War 1878-80 Casualty Roll as being wounded at Deh Khojah, 16 August 1880.
Sold with some copied research, which indicates this being the same man.
Condition VF suspension refixed at swivel as is very common due to design.