B♭. 4-piston valve system. Bell is yellow brass, 280mm diameter, bore size is 14.5mm (1st-3rd) / 16.8mm (4th), silver-plated finish. New retail price: 555,500 yen (tax included) ・There are small dents on the mouthpiece pipe and main tuning slide. There is no particular problem with playing. ・There is some age-related dullness on the silver-plated surface. ・The pistons and tuning slides are very smooth. ・The intonation and volume can be played without problems, depending on the player. ・A mouthpiece pipe adapter for small-bore mouthpieces is included for players with little experience or smaller physiques. Thank you for looking.