Bb trumpet from the TR655 series. Instrument features M Bore .453' = 11.51 mm, Yellow brass bell Ø 4 7/8'' = 124 mm, Gold brass leadpipe, Nickel silver outer slides, Stainless steel pistons, Thumb hook on 1st valve slide, Adjustable finger ring on 3rd valve slide, 2 water keys, Original VINCENT BACH 7C mouthpiece and valve oil, Clear lacquer finish, Light weight case with rucksack assembly.