| Baseball Card PRICE GUIDE April 1989 Gregg Jefferies |
| 1974-75 OPC HKY CARD #349 Gregg Boddy |
| 1964 Phily FB 3 card lot Packers PSA 7 Adderly, Gregg+ |
| 1-1988 STAR 11 CARD SET NY METS GREGG JEFFERIES NR/MT |
| 1989 Panini Sticker Card-# 32 TOMMY GREGG |
| 1992 Panini Sticker Card-# 72 Gregg Olson |
| 1990 Panini Sticker Card-# 224 Tommy Gregg |
| 1990 Panini Sticker Card-# 2 Gregg Olson |
| 1989 Panini Sticker Card-# 128 GREGG JEFFERIES |
| 1990 Panini Sticker Card-# 298 Gregg Jefferies |
| 1992 Panini Sticker Card-# 223 Gregg Jefferies |
| 1994 Panini Sticker Card-# 243 Gregg Jefferies |
| 1993 BB Card Monthly Gregg Jefferies Cardinals Rare!!! |
| PHOTO CARD: GREGG JEFFERIES (NEW YORK METS-ROOKIE) |
| PHOTO CARD: GREGG JEFFERIES (NEW YORK METS) |
| 1960 Topps, 13 Star Card Lot, low grade, Gregg Rookie |
| 1967 Philadelphia Football Card #77 Forrest Gregg |
| #4606 SIGNED BASEBALL CARD Gregg Olsen ORIOLES |
| 1964 Phily FB 3 card lot Packers PSA 7 Adderly, Gregg+ |
| Baseball card- TOMMY GREGG - Braves |