Interesting 1990 CMC/ProCards Minor League Sheet
This appears to be a sheet that was printed for the team sets (Green Backs) and not for the 1990 CMC AAA/ProCards A & AA Packs. All the ProCards are blank backed, don't know if it was an error at the time as someone forgot to have the backs for the ProcCards printed at the same time or just a progressive print sheet.
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