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Baseball Cards: Don Russ [1989-1990] [LARGE SET-OVER 400!]
Gregg Jefferies Baseball New York Mets Sports Trading Cards
Gregg Jefferies Price List - Supercollector Catalog
1990 Topps Gregg Jefferies Values - MAVIN
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Auction Prices Realized Baseball Cards 1990 Topps Gregg Jefferies
1989 Pacific Cards & Comics Playball Rookies Superstars Two
Baseball Cards: Don Russ [1989-1990] [LARGE SET-OVER 400!]
Gregg Jefferies Baseball New York Mets Sports Trading Cards
1990 Topps Gregg Jefferies Values - MAVIN