Olds Super Professional Trombone - 1959 - Solid Player! Los Angeles ModelLacquer has been removed from the bell section giving it a nice vintage vibe.Serial Number 3426607.5 inch bellOLDS patented Octagon/DualBore lightweight nickel slide (some plating wear on the ends) smooth action 8-10A few dings here and there on the bell section but overall a pretty straight hornSome lacquer loss on the nickel finish where the horn is handled.Tuning slide in great shape too. Comes in its original Olds Case, that is in reasonable condition.Mouthpiece is a silver Olds 10Excellent playing horn.... aggressive rich tone.