Trobenta C.G.Conn Bb 1BSPG Vintage One

ML bore 459" = 11,66 mm Yellow brass bell Hand-hammered one-piece bell Monel pistons # 46 leadpipe, 2 tuning slides Modular valve weight system CKB 1 1/2C mouthpiece Deluxe double case Yellow brass bell, silver plated finish 24K gold-plated trim kit 704.024