Cards from this 20-card standard-size set of prototypes were mailed out to prospective dealers and members of the media to show the new design of the 1991-92 SkyBox issue. The cards are distinguishable by the presence of a black diagonal "prototype" line cutting across the upper left corner of the back. Dennis Rodman and Chris Mullin are supposed to be the two toughest as they were reportedly withdrawn early.
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