This is the classic Besson except with an adjustable bell. It looks really good, with a satin silver finish with bright highlights. No case is shown, so I assume it is not included. Starting bid is $1,300 and buy-it-now is $1,690.
SOLD FOR $1,100
http://www.ebay.com/itm/Besson-Four-Valve-Compensating-Euphonium-GREAT-PLAYER-QuinnTheEskimo-/262517212040