This is the single-collector card room — one Sacramento-area hobbyist's lifetime stash going to auction in 300 lots. It's heavy on the 1980s and 1990s "junk wax era" stars who actually held value (Griffey, Bonds, McGwire, Jordan, Montana), backed by 47 professionally graded slabs, sealed and unopened sets, vintage Topps from the late 1960s and early 1970s, and a deep run of Kenner Starting Lineup figures still in their original packaging.

Whether you're a grader, a...