This is a Conn 8h trombone Made in Elkhart Indiana the serial # starts with an L which dates the horn to 1968. the slide is smooth and the horn is solid with a beautiful warm tone. The bell is made of rose brass.  There are some dings, spots and lacquer ware Which seem to me ware from use and age and NOT  from abuse. I've tried to show all in the photos please email me with any questions. I play a euphonium and picked up this horn to learn the slide, it brakes my heart to sell but I'm moving and have no choice . the horn comes with a case but no mouthpeice