I have the chance to buy some new/old stock Buck slipjoints that are being closed out at a store near me. They are the 307 large stockman, 312X two blade mini-trapper, and the large wooden handled stockman(didn't get the number). The knives fit right in with my collection theme, discontinued US made knives, and the prices are discounted, under 30$ each. Should I give up buying Schrades to fill out my collection and grab these, or are these common and not that big a deal?