Vincent Bach Bb/F bass trombone 50B Stradivarius 50B

Bb/F bass trombone 50B Stradivarius 50B, VINCENT BACH. Quart valve. Traditional wrap. L bore .562 inch = 14.28mm. Bell ⌀. 9,5 inch = 241.50mm. Nickel silver handle. Original VINCENT BACH mouthpiece 1 1/2G. Deluxe wooden case. Nickel silver inner slide, brass outer slide. Brass bell, lacquered. . Top-class handcrafted models..