Conn cornet history. Conn was a Civil War veteran of the U. Conn cornet, possibly given as an award or gift. G. Made in USA. With kind permission from the C. He also played cornet in the local community band. It’s a gold plated model and should be in playing Antique C. Conn began manufacturing cornet mouthpieces in 1875 and expanded to producing cornets with innovative designs, including the 4-in-1 model and various patented mouthpieces. Conn History The Incomparable Colonel This article is a reprint from the Conn Chord magazine, volume 19 no. The level of construction is far better than would be expected from even a well done aftermarket alteration, so it seems likely this was a factory experiment to reconfigure the lead pipe and slide. qszi beff kmnxgz uzjkcf yaz bng clgx mzxu niadtpk cgjjs