Prince Alfred (1844-1900), later Duke of Edinburgh Franz Xavier Winterhalter (1805-1873)

The picture has something of this: people, man, portrait, wear, facial hair, leader, cravat, mustache, side view, profile, medal, military uniform, military, exploration.
Perhaps it’s a painting of a man in a military uniform with a star on his lapel and a moustache on his left side of his face.