Well, I'd say about this much.
Final Price $3,650.00
That's pretty ballpark for a good quality bus. It's hard to judge by the pictures, but knowing WA as a good place to buy a bus I'd guess it's in decent shape. That is one of the most preferred engines and transmissions in a pusher or any other style.
Did you get it? You might need a little more lead time if you want answers before an auction closes. I'd say that was a pretty good deal at that price, which is why so many of us prefer to buy from the auctions.