It's of a particular, named man, so is representational.
He has his son standing in front of him. We know it's his son because he's positioned precisely, so that his head is where the man's erect phallus would be. The statue is therefore also symbolic.
The man has his hands on his son's shoulders. His arms are bent slightly at the elbow, though, together forming the hieroglyph "hepet", which means "embrace". The statue is therefore also literal.
I spent almost an hour looking for that photograph just now, but couldn't find it.
The book may well have been scanned and is online somewhere, but gawd knows what search terms would dredge it up.
Oh well. Here's a picture out of the British Museum of an antelope and a lion playing Senet instead.
