Old Parker Hammer gun

[Carl Baird]

I'm just seeking general information.
I am an avid Parker collector, somewhat new and still a novice. I have a project hammer gun built in 1884. I wrote and received the official letter and have returned it to original specs. That required replacing the tiger maple stock with a good serviceable walnut stock that matched the walnut receiver. It's a field gun, no checkering, plain wood and stub twist barrels. It's beautiful.
I'm sure it will appreciate in value if I leave it as is, but I want to do more to it. I'd like to have it checkered with a simple pattern, I'd like to have the barrels reblued and maybe the receiver case colored.
If I did all that, it would look better, but what have I done to the value?