The wrong backs are the errors. Both the 655 and 659 Ryan's from the 1990 Donruss set, were printed with the back for the other and were corrected later in the print run.
Those were big dollar errors back in the day....now they're relegated to the common bin (at least as common as Nolan Ryan gets anyway).
Scott
Those were big dollar errors back in the day....now they're relegated to the common bin (at least as common as Nolan Ryan gets anyway).
Scott
50,000+ Red Sox cards and counting.