Up for sale a vintage yamaha 637 trumpet. All slides work smoothly along with the valves. It has excellent compression. This trumpet has a .460 bore with a 5 inch lightweight bell. It comes with a nice brown case. The horn resonates nicely with a full sound! It has scratches here and there as you would expect a horn from this age. It's not a high end one but it will sure get the job done to whatever type of music you play. Please look at all the pictures closely for its overall condition. This item is sold as is with no returns. No international shipping. Thank you. It's ready when you are.