I have pictures of one of Selmer USa intermediate saxes. looks alot like the evolution of the 110s though the low C# mechanism is greatly changed. But same thin cups and alot of other features, at least as much as I can tell from a pictures.
I used to think pro horns have the music lyre attached to the neck tightening ring. And lower class have it separate on the body. (but Superba 1 and 2 are like that too)
The one pic has it now on the body with a much cheaper neck socket
I have pictures of a Selmer USA Intermediate sax too, which looks so close to a 110 though it has other obvious changes such as the table keys and C# key is more inside the bow. A much cheaper design though has a ton of the same type of keywork as the Omega/100/110s