Schilke CC Prototype Tuba

Here is a tuba that you don't see everyday. From what I have been told this was built by Schilke for Chuck Dallenbach.

Silver Plate is 95%
17.5 Inch Bell.
.730 bore.
Slides and Valves move freely. 
Ultrasonically cleaned.

Dents and scratches but everything is in working order. Includes a Cronkhite bag.