United Kingdom
The Nottinghamshire Yeomary (Sherwood Rangers)

Cabinet Card, studio J. Byron & Sons in Nottingham

Nottinghamshire Yeomanry (The Sherwood Rangers) (Hussars)
This photograph postdates 1902 when the barrel sash was withdrawn. From 1902 other ranks also ceased to wear the white pouch belt except for detachments on special ocasions, such as escorts.

Thanks to Dave Knight for his insight