With movable 1st valve slide, doable false tones, and partials that actually line up (except flat 5th, but that's standard and avoidable)...this is as good as it gets for 3v Eb.

Bid to win! http://www.ebay.com/itm/Cleveland-Reyno ... 437907295?
Complete with video. https://www.youtube.com/watch?v=Bqyj7qOPSew