A mounted Woodburrytype photograph taken from The South African Campaign of 1879  by MacKinnon and Shadboldt of
Below is the scanned text from
The South African Campaign of 1879 that accompanied the above photograph.

Mounted Photograph
8 inches by 10 1/2 Inches (20 cm x 27 cm)
The London Stereoscopic Company - Photographer
London, England
c. 1880