[gulfvet90]

Going through my collection, I notice for the 1997 Upper Deck Set (atleast with the Capture the Flag subset) there are two variations. Thefront of the cards are the same, however, there are different backs.There is a white back and a gold back. The information on the back ofthe cards are exactly the same. I have Mark McGwire #386 with a whiteback and one with the gold back the same with Tony Gwynn #378.<br />
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Any information why the difference?<br />
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Thank