Partial followup: I don't have photos to post yet. I won't be continuing with the thread. I did not expect such a long delay before my posts appear, and I don't want to deal with it. Everything about my sousaphone says it's a later-model 22K except the serial number. So long and so low.

You will regret selling your sousy!!!

CCC

That is absolutley correct! But the time has come in my life to own fewer things, and to use less space to store them. I hope to find it a home locally, with someone who might lend it to me once in a while.

I'm keeping the Reynolds tuba for now. That ...

Thank you for the replies.

Yeah, about the pictures, the sousaphone is in the shop for a cleaning and minor strucural repair, so I can't post any now, but I will take pictures when it's back in a few weeks (the shop is busy with back-to-school-band season).

There's an inventory card that lists it ...

I'm a trumpet player, and a sousaphone owner. I've lurked here, but I have just joined to ask a question about my sousaphone.

I have what appears to be a Conn 22K. It's brass and fiberglass, with a 26-inch ABS bell. The valves are the short-stroke offset valves characteristic of the 20K and 22K ...