the stupid energy saver bulb makes everything look yellow;
The ralley gauge insert is from a '75, I used it for a short period in my car, and rewired the defog switch as an ignition kill (I was a little paranoid).
The non gauge insert is from an 80 or 81;
I believe that the heater controls no longer had a dash insert cover starting in 1978.
I doubt either of these will interest you, but it's all I have to offer.
I think scanning and printing a section is a slick idea - I would just worry about it fading.
Finding a donor dash insert to cut a chunck from is also a great "plan B", but finding real 3m overlay thats a match would be most ideal.