I'm slowly putting together a 92nd Regiment of Foot uniform, but I've hit a snag. I'm aiming for a uniform from the Battle Kandahar, but I've found two paintings that have confused me.

I have always known the Gordon Highlanders sporran to be white horsehair with two black horsehair tassels. Granted, they didn't officially become the Gordon Highlanders until a year later in 1881, but in these two paintings, they both have them wearing black horsehair with five white tassels--a design I've seen more with the Argyll and Sutherland Highlanders.

The paintings in questions are so:
Drummer Roddick rescuing Lieutenant Menzies of the 92nd Highlanders at the Battle of Kandahar





Any help on the subject?