1988 Score Gregg Jefferies Rookie Prospect Baseball Card.
1988 Score Gregg Jefferies Rookie Prospect Baseball Card #645 MLB New York Mets
Gregg Jefferies Price List - Supercollector Catalog
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1990 Donruss #270 Gregg Jefferies NM-MT New York Mets
1990 Topps Baseball #457 Gregg Jefferies New York Mets Official MLB Trading Card (stock photos used) Near Mint or better condition : Collectibles & Fine Art
Topps Gregg Jefferies Baseball Trading Cards
1989 Topps Glossy Rookies #13 Gregg Jefferies New York Mets (1988 Rookie Debut) MLB Baseball Card NM-MT : Collectibles & Fine Art
Gregg Jefferies - Mets #600 Score 1989 Baseball Trading Card
Gregg Jefferies
Gregg Jefferies - Mets #657 Donruss 1988 Baseball RC Trading Card
1988 Score Gregg Jefferies #645 OF 660 on Kronozio
Gregg Jefferies Trading Cards: Values, Tracking & Hot Deals
Gregg Jefferies Donruss 35 Values - MAVIN