Prices for 1991 Upper Deck Denny's Grand Slam Baseball Cards
1991 Upper Deck Denny's Grand Slam card list & price guide. Ungraded & graded values for all '91 Denny's Grand Slam
Baseball Cards.
Click on any card to see more graded card prices, historic prices, and past sales.
Prices are updated based upon 1991 Upper Deck Denny's Grand Slam listings that sold on eBay and other marketplaces.
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SportsCardsPro Index: 1991 Upper Deck Denny's Grand Slam
Average ungraded base card value (excludes parallels) for 1991 Upper Deck Denny's Grand Slam | Compare vs.
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