here's one that you can take a look at. dont forget to bring your wallet.. Mod Edit: I deleted the link you posted. If you want to send a link use the PM option.
I think that is about the average asking price for a model 12 28 gauge. Maybe somewhat of a good deal considering the condition it is in.
You should search for the browning one made in the early 90s They are good shooters and a lot cheaper