Bach

.459"" medium-large bore 4-3/4"" two-piece bell with rim wire Monel metal pistons with two-point nylon valve guides and enclosed barrel-shaped bronze valve springs one-piece Stradivarius-style brass valve casing first valve slide thumb hook adjustable third valve slide finger ring and stop mechanism two waterkeys nickel silver tuning slide receivers and trim engraved bell silver-plated finish genuine Vincent Bach mouthpiece wood shell case. Click photo to enlarge.