Has wood buttplate held on with 3 nails,untouched stock and metal finish is near mint,screws are staked and never been moved.Has the mum ground,too bad but that’s how the GI brought it back.Bore is mint,has cleaning rod and some stock proofs.This must have been captured near new,rough metal finish especially on the floor plate and triggerguard,what series is this one and approx. year of manuf.?