Still trying to locate fathers suburban

[inkslinger1964]

I have been racking my brain trying to figure out how to locate my fathers old suburban. I don't have the VIN number so it might be impossible.
This is close to the color from what I can remember, maybe a bit too mint green.
Maybe some of you can narrow down a few questions.
it was a straight 6 with column shifter. 2 wheel drive 3/4 ton. the rear doors were side by side, not top and bottom. the drivers side had 1 door, but the passengers side had 2 doors. It was a very faded out light green with a white top. I give this details so someone might help me narrow down the year and model.. thanks.