I have seen two guns that were IMO overstocked. One was an L.C. Smith field grade that had been restocked with an incredible piece of wood which hadn't been checkered. It looked like a bum wearing a pair of spitshined shoes.
The other I can't remember except the guy paid a large amount money (according to him) for a pretty ordinary O/U. This was a work in progress.
I think, but don't know, that original fine guns of the past two centuries had great wood, but nothing spectacular (my definition of spectacular.) Look at them and you'll see what I mean. I believe this was because of a Victorian sense of taste: they liked nice, but not spectacular in their personal items.
I'm not degrading Best Grade old guns, I think they're wonderful, but I just think they reflected the tastes of their times, which was more conservative, whereas modern stocks reflect the tastes of our times, which tend to be more razzle-dazzle. Am I wrong in this?
