Vincent Bach Bb/F bass trombone 50BO Stradivarius 50BOG

Bb/F bass trombone 50BO Stradivarius 50BOG, VINCENT BACH. Quart valve. open 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. gold brass bell, lacquered. . Top-class handcrafted models..