Seymour Duncan 50th Anniversary JB/Jazz Humbucker Set - BlackMaker: Seymour Duncan Model: 50th Anniversary JB Jazz Humbucker Set Black Condition: New Description: 50th Anniversary Limited Edition JB Jazz Humbucker Set Half a century of legendary tone starts here. In 1976, Seymour Duncan officially launched the company that would revolutionize electric guitar sound, but the story began years earlier in a London workshop where Seymour crafted pickups for rock's most influential players. Among his greatest