This horn could be in much worse shape for the buy-it-now price of $999.99.!! Lacquer is nearly gone, but that makes it convenient if you want to take a couple seams apart to fix the one large, flat dent in the long bow near the 4th valve (see photos below and in the listing). Seller says valves and slides are smooth, which alleviates a concern I might have had about whether the dent affected the 4th valve operation. Check it out! For $1k you could spend a bit on cleaning it up and still have a huge bargain!
SOLD FOR $999.99 - EXCELLENT PRICE
(I try to show the selling price for a back-reference as people are trying to get market perspective. I would not count on this one as a representative price.)
http://www.ebay.com/itm/1970s-Besson-New-Standard-Compensating-4-valve-Euphonium-/282477902202