Westernized: Prince Dom Nicolau

Kongo prince, Dom Nicolau, Westernized Nicolau I of Kongo (Also known as Nicolau I Misaki mia Nimi), (Ruled 27 August 1752–post 1758)
It says, roughly translated:“Prince Dom Nicolau, son of Enrique II, King of Congo, with occasion of the visit that the prince himself did to her majesty the queen of Portugal in November 1845.”

http://www.omarviktor.com/#!project-diaspora/ca7g