Ive had many of these in the past, they sell good, and this thread will help this one obviously.
Ive had 2 of the Speakers missing most or all of the red ink, but the background color was the same so the card looked more like a true "error" card than the print flaw that it really is.
These are all just print flaws and not man made errors (design changes). In my experience the HOFers will sell for 3X more. The common players with nice background color differences will sell for 4-6X more.
Here are a few random scans of some examples...
