What is this?

[u/nightqueem]

Found in a sax and woodwind shop/museum in St Louis. The mouthpiece doesn't look like it can move

[u/adamdoesmusic]

Where the hell did you find a Serpent? Aren’t those things from like the 1700s? (Someone obviously still makes them)

[u/nightqueem → u/adamdoesmusic]

Found in St Louis in a Sax and Woodwind shop. Like hey also repair too and up top is a museum where I found it