I've got my first old one set to deliver tomorrow. From what I can tell it is all original parts, but the pictures aren't fantastic. I'd be over the moon if its anywhere close to as nice as yours.
I plan on buying the Rule book, but it isn't available on kindle, so I'll have to wait for hard copy. I bought a Winchester book on kindle and it isn't much more than a price guide.
I do agree with
@Rustywrench in that more of these are showing up on the market but the intact guns seem to be moving pretty fast if they are priced reasonably. No idea what the long term investment proposition on these is, but I figure the standard caliber run of the mill variations are near the cost of a new model & that helps keep things stable.
I've done enough reading to have a grasp on the obvious; if a gun has incorrect parts etc, but I know i'm not at the level to catch the little stuff yet. Probably need to get ahold of that Rule book before I cost myself some money.