vxothis mentions stock trading terminals as an application, which makes me wonder... if you do an image search for a Bloomberg terminal keyboard you'll find a few different versions.
Did Devlin also make at least one version of that?
There's one that does look kinda look the same keycaps but it's a Maxi Switch product.
https://www.linkedin.com/posts/adafruit_the-bloomberg-keyboard-classic-1996-https-activity-6901563827666661376-KTBG
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