Posted by Don Shirer on February 18, 2003 at 23:34:48:
In Reply to: Help me!!! posted by Göran Christensen on February 18, 2003 at 20:03:03:
A tuba labelled "ALEXANDER F TUBA UNIQUE C Compensation system"
just sold on EbBay for $3500. Search for number 2507899213.
Advertised as 16 yr old. Not 5 valves but may give you a hint.