Buckner was with the Cubs from 1977 - 1984 and was very productive for most of those years, despite his gimpy wheels. He was my favorite Cub during that time.
In addition to cards in the Topps sets, and later, Fleer and Donruss, Buckner showed up in several other sets. He was one of the few big names on the team, leading to his inclusion in sets like Hostess, Kelloggs, and Drakes.
Buckner was an extremely intense player. He left it all on the field. Yet in almost every one of the posed shots, he's got a nice smile.
I've got 56 cards of Billy Buck. Of those 46 are from his playing days and the other ten are after he retired.