Difficult to judge the year from the Mr. Blurrycam photo. I think [MENTION=142025]LesterOfPuppets[/MENTION] guess of '95 is dead-on based on color and the fact that it has a top-pull FD. I have an '87 Alta that I saved from the dumpster now doing commuter duty. Not a lightweight, but the chromoly double-butted frame is rock-solid and handles very nicely.
Size might be a little big for you. If you're going to ride mostly pavement, gravel, or even light singletrack you can certainly get away with it. For anything more rugged, a smaller frame is advisable.
Price (assuming everything is in good working order) ... around $75 depending on where you live and how bad you want it