He is absolutely gorgeous. A little heavy in the front end but the rest of his confo isn't all that bad! For a horse who's had only a few rides, he's doing really well. I have to agree with everyone else tho, he should definitely not be jumped.
Not knowing his breed or having him papered isn't really an issue as long as he has the temper and build for what you want him for. What are the goals for this guy?
Is your friend experienced enough to ride a green horse? Young horses are a handful to ride and I don't mean one that is just off the track or other, I mean a horse who knows NOTHING.
If I were looking, I would seriously consider this boy.