[Johann Heinrich Barth; explorer; Africa] Signed Sentiment (presumably) in German, H. Barth. See Image for sentiment/text.

Johann Heinrich Barth (1821 – 1865), German explorer of Africa and scholar.
Publication details: 
No place or date.
SKU: 25368

Sentiment? and signature, in corner of shiny paper, 14 x 15.5cm, edges somewhat unevenly cut, good condition. I'd appreciate input from someone who can read the script to establish whether this was part of a letter or document.