This 642 looks very nice and includes a hard (original Yamaha) case. I see a few small dents, but overall it looks great. Buy-it-now price is $2,899.99, which is a great price for a pro-level horn in this condition.
SOLD FOR $2,899.99
https://www.ebay.com/itm/YAMAHA-YEP-642-4-Valve-Compensating-Euphonium-Yellow-Brass-w-Hard-Case/254377045202