Like the title says, what gun should I try to collect sooner than others due to the fact that they may disappear from the general market soon? I'm going to a gun show soon, and I wont to keep an eye out, I made a 'shopping list' of priorities to watch for, which ones should I watch for more...

Hello all! The main reason I joined the forum was because I purchased my first bolt action yesterday (Springfield 1903). But, I have a few problems with it already. 1), my friend treated it badly before I got it, allowing it to lose almost all of it's bluing, and becoming splotchy/stained...