Portuguese explorer Alexandre de Serpa Pinto with the survivors of his expedition from São Paulo da Assunção de Loanda to Natal

Source

> Alexandre Alberto da Rocha de Serpa Pinto, Viscount of Serpa Pinto (aka Serpa Pinto; April 20, 1846 – December 28, 1900) was a Portuguese explorer of southern Africa and a colonial administrator.

[wikipedia] (https://en.wikipedia.org/wiki/Alexandre_de_Serpa_Pinto)