I have a Besson Euphonium for sale. However, I'm not sure how to price for one. It has 4 values -- 3 values on top and the 4 one on the side. The instrument needs a good shine or refinish. It is about 25+ years old. I can't seem to find the model number or serial number. It does have 50 Meals of Honor (??) above the Besson name.

Is there a brass repair shop that also does consignments in the Washington DC area?