Grethe Tonheim
| Model | Bell | Slide | Gooseneck / Valve | Tuning Slide | Leadpipe |
| R4F |
Red brass
|
Bronze
|
Hagmann
|
Nickel silver
|
41B |
Grethe Tonheim
Made in England Played Globally
Made in England Played Globally
| Model | Bell | Slide | Gooseneck / Valve | Tuning Slide | Leadpipe |
| R4F |
Red brass
|
Bronze
|
Hagmann
|
Nickel silver
|
41B |