It's dependent entirely on the current condition of the machine. They were around $1500 new. For a long time, paying half that for a mint machine was the going rate. For a machine in perfect working order and mint ( most machines that are cosmetically mint will need a good bit of work) they went for close to $1k. The machine that you've pointed out was stripped completely and every system rebuilt. There's at least $2k worth of work done to that machine. On eBay, most of these machines start at around $400 and depending on the condition and your return policies and feedback, it might not get a bid, or it could sell for as much as $1200.
BTW, two years at any radio station can be a lifetime for any machine (collage stations are the worst).
The only real way is to try.