Made in 1961, so depending on condition and how much is original, it will be worth a lot of money.
a dollar X-]
Depends on the condition of course. And where it was made. If it's USA, and in decent condition, a 1988 strat would be about £600, or $1200.
less than you paid for it
Worth what some one will pay for it... I just paid about US$8K for a custom colour mint condition strat... Time will tell if that is a little enthusiastic, all I know is it plays and sounds amazing!