1990 Topps Baseball #457 Gregg Jefferies New York Mets
Gregg Jefferies autographed baseball card (New York Mets) 1989
Excellent shape. Kept in a baseball trading card book sleeve since new
Donruss 91 Gregg Jefferies New York Mets Baseball Card
Gregg Jefferies Fleer 38 Values - MAVIN
Gregg Jefferies autographed baseball card (New York Mets) 1990
1988 Score Gregg Jefferies Rookie Prospect Baseball Card.
1988 Score Gregg Jefferies Rookie Prospect Baseball Card #645 MLB New York Mets
Gregg Jefferies autographed baseball card (New York Mets) 1988
Gregg Jefferies Checklist - Supercollector Catalog
Gregg Jefferies wonders how good he could have been
1989 Donruss Baseball Card #35 Gregg Jefferies RR