Demo YEP-642SII in silver. Great deal at this price. It's been in the showroom and a trade show, so it does have scuff marks and a minor ding  or two from being handled and played.

Yamaha YEP-642S II  Professional Neo Compensating Euphonium, 3 top action and 4th side action monel alloy pistons, large shank mouthpiece receiver. This is a demo in our showroom. Brand new, but with a few very minor marks from play testing. Full warranty and our normal trial period still apply.

Bore: .591"-.661"

Bell: 11.8"

Comes with an EPC-62 case and an L51 mouthpiece