Interesting old Trombone

[SirJohn]

Saw this listing on ebay when browsing. Anyone want to take a stab of what it is a stencil of:
https://www.ebay.com/itm/GOOD-PLAYING-1 ... s#viTabs_0

My first reaction on seeing the title was pretty skeptical, but that old case it comes with is something else.

[brassmedic]

It's Czech. Kalashon was one of the stencil names they used. Very narrow bell throat, good for cutting down to make a fakebut or homemade alto. It is neither 19th century nor does it play well.

[SirJohn]

Good info. Figured someone here would be able to identify it and that my original feeling was correct. I was scratching my head on it as it didn't look like any Conn, Bach, King, Olds, etc that I have seen.