[/b]I purchased a Model 903 from a co-worker for $100.00 roughly seventeen years ago. It was in peak condition when I received it. It is still in peak condition. It isn't the most accurate .22 handgun out there by a long shot, but it sure is fun to shoot.
I suggest you hang onto your 903 for your own enjoyment, because you're never going to be able to sell it for much over $125.00 unless you happen to live way beyond normal life expectancy. And then you're probably going to be too infirm to enjoy the money anyway. :-)