Here is a color variation I found a few years back. I have a few 82 Dale Murphy's and they all look like the one on the left.
These were scanned together at the same time, so no color issues from the scanning:
Here is a link to the thread where I first brought it up.
http://www.net54baseball.com/showthread.php?t=171207
I have been looking through my childhood cards recently looking for variants and miscuts. The most interesting one I recently found was a finger print in the ink. I will have to get those scanned in some time.