This is a professional model, Bb clarinet made by the Henri Selmer Company of Paris, France. It is the famous N-series or Balanced Tone (BT) model, crafted during the Golden Era of jazz clarinets and considered by many to be the ultimate jazz horn. Matching serial number on upper and lower body of N3240.
The entire instrument is crack-free and plays very well.
Included are original case (which needs its zipper repaired) and Selmer HS** mouthpiece.