Many upgrades - Seymour Duncan mini humbucker, Gibson humbucker, push/pull for coil tap, new bridge, locking tuners. All work done by a professional tech. One of the first built - December 1999 in Korea. Sales started in 2000. Great condition for a guitar entering its 25th year. Plays and sounds great. Kept in case, played periodically. I have a new Gibson ES 339 so this guitar can go to somebody who will give it more playing time.