Lot Topps Seattle Mariners baseball cards 1979-80 Willie Horton

This is a lot of 18 Topps Seattle Mariners baseball cards from 1979 and 1980. The lot includes #532, Willie Horton. Both team checklist cards were heavily handled, one marked in pen with check marks.


The Seattle Mariners are in the American League West division. They joined the American League as an expansion team in 1977. The Mariners are one of six Major League Baseball teams who have never won a World Series championship.