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Comics on baseball cards
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Gregg Jefferies Cards Trading Card Database
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Brush with greatness: Sean Casey
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Auction Prices Realized Baseball Cards 1989 Topps Gregg Jefferies
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Gregg Jefferies Baseball Trading Cards
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Gregg Jefferies Price List - Supercollector Catalog
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Auction Prices Realized Baseball Cards 1989 Topps Gregg Jefferies
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1991 SCD Baseball Card Price Guide '71 Topps #27 Gregg Jefferies New York Mets
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Gregg Jefferies Price List - Supercollector Catalog
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Gregg Jefferies Trading Cards: Values, Tracking & Hot Deals
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Gregg Jefferies Baseball Cards
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Auction Prices Realized Baseball Cards 1989 Topps Gregg Jefferies
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Gregg Jefferies Price List - Supercollector Catalog
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Found card collection from the 90s. Worth anything? - Blowout Cards Forums