This an excellent quality vintage single screw tenor ligature for hard rubber pieces . Kerper ? Keyser ? if anyone knows please tell me . I can’t quite make out the maker but it could be from a keilwerth or H Couf. Probably 1950s or 60’s . Works extremely well .
The "Excellent quality vintage single screw Tenor Sax Ligature" is ideal for musicians and saxophone enthusiasts who require durable and accurate ligatures for their vintage saxophones.