Something I haven't done is tracked when or if the design of anything other than altos or tenors changed from the Modele 26, so those additional pitches are listed here just because of the serial/date range.
Do note that the Jimmy Dorsey model was only available as an alto.

I created a sortable and searchable lists of about 75 altos and tenors, from the Modele 28 through the Jimmy Dorsey and Selmer Super Series horns.
I also wrote some commentary about these horns on the Woodwind Forum. Check it out!

"Cigar Cutter"
(Pete) I'm relatively sure that only altos and tenors had the "Cigar Cutter" octave mechanism. I'm still going to include other pitches with the same s/n range here, just to be consistent.

Note that the "cigar cutter" octave key design was found sporadically on Selmers up until at least s/n 18xxx, if not more. If it doesn't have this feature, it's not a "Cigar Cutter."
Monday 22 October 2018
Jimmy Dorsey
Jimmy Dorsey
(Pete) Depending on your source, there were only a few hundred or about a thousand of these horns made.
The body tube is supposed to be Balanced Action, the keywork is supposed to be "Super" (not Radio Improved), and the bell is also supposed to be "Super."
Radio Improved
Radio Improved
(Pete) Note that Saxophone.org and a couple other places advocate that the Radio Improved horns after 209xx should all be considered Jimmy Dorsey models.
I disagree with this, as an actual Jimmy Dorsey model had the left hand sheet metal keyguard and a few other differences.

I'm relatively sure that only altos and tenors were stamped "Radio Improved." I'm still going to include other pitches with the same s/n range here, just to be consistent.