Wow that must have been a cheeky bugger who pinched that one, or asked for the 'basic' bare rifle as you have it there!
When you do find out who it came from, then it would certainly be a labour of love to bring it to what it should be actually finished as it would have come from the factory.
Guess a few of the fellas here would have some fine examples as to what such a masterpiece would look like - of course if you were to go down that path!