Miniature portrait of a man in armour

Miniature portrait of a man in armour. Three-quarter portrait of a young soldier with long, dark hair, a thin moustache and light brown eyes. He sits side-on to the viewer and turns his head slightly to his left. He wears armour, a Maltese cross and a white cravat with red bow. He holds a plumed helmet and a small heraldic shield. Painting is not secured in frame