My 1941 Series 1 Julius Keilwerth Toneking tenor with an Otto link STM mouthpiece. My baby : r/Saxophonics
Keilwerth Tone King Tenor Saxophone 1957 | Reverb Canada
Keilwerth TONEKING Tenor Saxophone Brass | Reverb
Keilwerth Toneking Tenor | Sax on the Web Forum
Keilwerth ToneKing Special Tenor Saxophone Original Silver Plate Rare Early Serial 42198 - www.GetASax.com
My first every tenor saxophone, a vintage (1953 I think) Keilwerth Tone Queen! Seems identical to a Tone King of the same era but with different engravings. : r/Saxophonics