I got plenty of old Hawley/Downs plans that have all aged nicely!
It's probably not going to get a lot of wear on the wall. (flyspots, on the other hand... )
I do hope that if it is out of the case all the time that the paper might eventually yellow to a point it matches the paint. I'd be very happy if that happened, but the paper does have a fair amount of clear over it so it may be many years before it does.
Someone asked earlier in the thread if you were putting camo on it, and your reply was something along the lines of sending it to Antartica. I reckon if you did, the icecaps would start growing. It's that cool!