Elis Schröderheim (1747-1795), official * Per Krafft the Elder (1724-1793)

The picture has something of this: people, portrait, man, wear, lid, facial hair, veil, mustache, music, sword, royalty, costume, military, sash, engraving.
Perhaps it’s a close up of a painting of a man in a black suit with a red sash around his neck and his right hand in his left hand.