Many of the great kings and emperors (and other important notables) has their portrait painted for posterity. The picture would be full of symbolism to demonstrate their power. One wonders how many leaders would want this sort of portrait to be done of them and what impact this has from an impression management perspective.
This is Canadian Prime Minister Stephen Harper, it is unofficial and satirical and sold for $5,000. The cup looks like a Tim Horton's cup, which is the Canadian coffee house brand that politicians must be seen in to be seen to be 'normal'. The artist has gone on record saying that apart from the head the body is not a representation of Harper.