Gregg Jefferies Rookie Card Baseball Cards
Topps – Page 4 – SABR's Baseball Cards Research Committee
Gregg Jefferies Cards Trading Card Database
Topps – Page 4 – SABR's Baseball Cards Research Committee
Ken Griffey Jr.
1989 Topps #233a Gregg Jefferies NM-MT New York Mets Baseball : Collectibles & Fine Art
When Gregg Jefferies Ruled Baseball Card Collecting
1989 Score Hottest 100 Rookies #1 Gregg Jefferies - NM-MT
Auction Prices Realized Baseball Cards 1989 Topps Gregg Jefferies
Gregg Jefferies Cards Trading Card Database