Never seen a double bell with top-action valves!
Every one I've ever played or seen has been front-action.
THis one is for sale at Dillon's, BTW. I am not an employee ;-)
Jim Williams N9EJR (love 10 meter CW)
Formerly Principal Euphonium in a whole
bunch of groups, now just a schlub.
Shires Q41, Yamaha 321, 621 Baritone
Wick 4AL, Wessex 4Y, or whatever I grab.
Conn 50H trombone, Blue P-bone www.soundcloud.com/jweuph