All Signed Baseball Cards – PastPros
Greg Walker Baseball Cards
Greg Walker Baseball Cards
Signed with blue Sharpie
Greg Walker Signed 1986 Fleer Baseball Card - Chicago White Sox
All Signed Baseball Cards – Tagged Darren Lewis – PastPros
All Signed Baseball Cards – PastPros
Greg Walker Gallery Trading Card Database
All Signed Baseball Cards – PastPros
Greg Walker Gallery Trading Card Database
All Signed Baseball Cards – Tagged Greg Blosser – PastPros
All Signed Baseball Cards – PastPros
Greg Walker Baseball Cards
Signed with blue Sharpie
Greg Walker Signed 1988 Topps UK Mini Baseball Card - Chicago White Sox